part of
type: ObjectProperty
type: TransitiveProperty
has OBO namespace: xenopus_anatomy

develops from
type: ObjectProperty
type: TransitiveProperty
has OBO namespace: xenopus_anatomy

ends during
type: ObjectProperty
has OBO namespace: xenopus_anatomy

preceded by
type: ObjectProperty
type: TransitiveProperty
has OBO namespace: xenopus_anatomy

starts during
type: ObjectProperty
has OBO namespace: xenopus_anatomy

Xenopus anatomical entity
type: Class
has OBO namespace: xenopus_anatomy

ectoderm
type: Class
subclass of: primary germ layer
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: ZFA:0000016
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000016
has definition: Primary germ layer that is the outer of the embryo's germ layers and gives rise to epidermis and neural tissue.
  type: Definition
  has db xref: OMD:ectoderm
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_ectoderm

fin
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: ends during
  some values from: NF stage 66
subclass of: Restriction
  on property: starts during
  some values from: NF stage 25
subclass of: Restriction
  on property: part of
  some values from: ectoderm
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: ZFA:0000108
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000108
has definition: Definition
  label: Surface structure that has an important role in tadpole locomotion. It starts to develop along the trunk and tail of the embryo at the tail bud stage and continues to grow until the start of metamorphosis when it begins to regress. It consists of flattened epidermal cells elevated into a keel-like structure by a supporting core of mesenchyme and extracellular matrix.
  has db xref: PMID:15188431
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_15188431

outer fin
type: Class
subclass of: fin
has OBO namespace: xenopus_anatomy

inner fin
type: Class
subclass of: fin
has OBO namespace: xenopus_anatomy

olfactory placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
subclass of: Restriction
  on property: develops from
  some values from: epidermis inner layer
subclass of: Restriction
  on property: part of
  some values from: olfactory system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 23
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000048
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000048
has definition: A thick plate of cells derived from the neural ectoderm in the head region of the embryo that develops into the olfactory region of the nasal cavity.
  type: Definition
  has db xref: NLM:olfactory+placode
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_olfactory+placode
has related synonym: nasal placode

ear vesicle
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 27
subclass of: Restriction
  on property: ends during
  some values from: NF stage 49
subclass of: Restriction
  on property: part of
  some values from: vestibuloauditory system
subclass of: Restriction
  on property: develops from
  some values from: otic placode
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: ZFA:0000051
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000051
has related synonym: otic vesicle

lower eyelid
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy

lens
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
subclass of: Restriction
  on property: develops from
  some values from: lens placode
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy
has definition: Transparent, biconvex structure in the eye that, along with the cornea, helps to refract light to be focused on the retina.
  type: Definition
  has db xref: WIKI:Lens_(anatomy)
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Lens_(anatomy)
has db xref: ZFA:0000035
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000035

retina
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 21
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Sensory membrane that lines the posterior chamber of the eye and functions as the immediate instrument of vision by receiving the image formed by the lens and converting it into chemical and nervous signals which reach the brain by way of the optic nerve.
  has db xref: NLM:retina
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_retina
has db xref: ZFA:0000152
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000152

brain
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
subclass of: Restriction
  on property: part of
  some values from: central nervous system
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has definition: Definition
  label: Organ that is a component of the central nervous system and is responsible for the coordination and control of bodily activities and the interpretation of information from the senses. It appears when the neural tube segregates in forebrain, midbrain, and hindbrain at NF stage 22. The general pattern of the brain has been mainly established at NF stage 28. Yolky material is consumed and the fibre tracts and later the commissures develop. In general all of its parts are well developed at NF stage 53 and later development consists mainly of growth and some further cytological differentiation. In the period of metamorphosis only topographical changes take place.
  has db xref: OMD:brain
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_brain
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: ZFA:0000008
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000008

forebrain
type: Class
subclass of: Restriction
  on property: develops from
  some values from: anterior neural tube
subclass of: Restriction
  on property: part of
  some values from: brain
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000109
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000109
has related synonym: prosencephalon
has definition: The part of the brain that is the anterior of its three primary divisions and that includes the telencephalon and diencephalon.
  type: Definition
  has db xref: NLM:forebrain
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_forebrain

telencephalon
type: Class
subclass of: Restriction
  on property: part of
  some values from: forebrain
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000079
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000079

diencephalon
type: Class
subclass of: Restriction
  on property: part of
  some values from: forebrain
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000101
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000101

midbrain
type: Class
subclass of: Restriction
  on property: part of
  some values from: brain
subclass of: Restriction
  on property: develops from
  some values from: anterior neural tube
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
has OBO namespace: xenopus_anatomy
has definition: The part of the brain that is the middle of its three primary divisions.
  type: Definition
  has db xref: NLM:midbrain
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_midbrain
has related synonym: mesencephalon
has db xref: ZFA:0000128
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000128

hindbrain
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
subclass of: Restriction
  on property: part of
  some values from: brain
subclass of: Restriction
  on property: develops from
  some values from: posterior neural tube
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000029
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000029
has definition: The part of the brain that is the posterior of its three primary divisions.
  type: Definition
  has db xref: NLM:hindbrain
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_hindbrain
has related synonym: rhombencephalon

midbrain-hindbrain boundary
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
subclass of: Restriction
  on property: part of
  some values from: neural plate
subclass of: Restriction
  on property: part of
  some values from: brain
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: The part of the brain that is the morphological boundary between the midbrain and hindbrain and that is the location of an organizing center which patterns the midbrain and hindbrain primordia of the neural plate.
  has db xref: GO:0021555
    type: DbXref
    has URI: http://purl.org/obo/owl/GO#GO_0021555
has exact synonym: MHB
has db xref: ZFA:0000042
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000042
has related synonym: isthmus

hypophysis
type: Class
subclass of: Restriction
  on property: part of
  some values from: forebrain
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000118
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000118

genital ridge
type: Class
subclass of: Restriction
  on property: part of
  some values from: urogenital system
subclass of: Restriction
  on property: develops from
  some values from: intermediate mesoderm
has OBO namespace: xenopus_anatomy
has definition: The precursor to the gonads.
  type: Definition
  has db xref: WIKI:Gonadal_ridge
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Gonadal_ridge

spinal cord
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
subclass of: Restriction
  on property: develops from
  some values from: posterior neural tube
subclass of: Restriction
  on property: part of
  some values from: central nervous system
has OBO namespace: xenopus_anatomy
has definition: Elongated, approximately cylindrical part of the central nervous system that lies in the vertebral canal and from which the spinal nerves emerge.
  type: Definition
  has db xref: OMD:spinal+cord
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_spinal+cord
has db xref: ZFA:0000075
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000075

ventricular zone
type: Class
subclass of: anatomical region
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim
has db xref: ZFA:0001083
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001083

roof plate
type: Class
subclass of: Restriction
  on property: part of
  some values from: spinal cord
has OBO namespace: xenopus_anatomy
has exact synonym: roofplate
has definition: Definition
  label: Organizing center located at the dorsal midline of the neural tube that influences the development of the nervous system, controlling the specification and differentiation of dorsal neuronal cell types.
  has db xref: PMID:15378040
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_15378040
has related synonym: spinal cord roof
has db xref: ZFA:0007058
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0007058

skin
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: part of
  some values from: dermal system
has OBO namespace: xenopus_anatomy
has related synonym: integument
has definition: Surface structure that consists of the external membranous integument of the animal.
  type: Definition
  has db xref: OMD:skin
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_skin

mandibular crest
type: Class
subclass of: Restriction
  on property: part of
  some values from: cranial neural crest
has OBO namespace: xenopus_anatomy

hyoid crest
type: Class
subclass of: Restriction
  on property: part of
  some values from: cranial neural crest
has OBO namespace: xenopus_anatomy

branchial crest
type: Class
subclass of: Restriction
  on property: part of
  some values from: cranial neural crest
has OBO namespace: xenopus_anatomy

cranial ganglion
type: Class
subclass of: ganglion
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer of neurectoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 28
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000013
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000013
has related synonym: cranial ganglia
has definition: Ganglion that is located in the head.
  type: Definition
  has db xref: ZFA:0000013
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0000013

epidermis
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 13
subclass of: Restriction
  on property: part of
  some values from: ectoderm
subclass of: Restriction
  on property: part of
  some values from: skin
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: BTO:0000404
  type: DbXref
  has URI: http://purl.org/obo/owl/BTO#BTO_0000404
has broad synonym: skin
has definition: The outer epithelial layer of the external integument of the body that is derived from the embryonic epiblast.
  type: Definition
  has db xref: BTO:0000404
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000404

epidermis outer layer
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: part of
  some values from: epidermis
has OBO namespace: xenopus_anatomy
has related synonym: epidermis epithelial layer
has related synonym: periderm
has db xref: ZFA:0001185
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001185

vitelline membrane
type: Class
subclass of: Restriction
  on property: part of
  some values from: zygote
has OBO namespace: xenopus_anatomy

ciliated cell
type: Class
subclass of: cell
subclass of: Restriction
  on property: part of
  some values from: epidermis
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
has OBO namespace: xenopus_anatomy
has db xref: CL:0000064
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000064
has definition: Cell type that has motile cilia and populates the skin of the embryo, arranged in the surface layer of the non-neural ectoderm in an ordered distribution.
  type: Definition
  has db xref: PMID:10518489
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_10518489

stomodeal-hypophyseal primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
has OBO namespace: xenopus_anatomy

cement gland
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: ends during
  some values from: NF stage 50
subclass of: Restriction
  on property: starts during
  some values from: NF stage 28
subclass of: Restriction
  on property: develops from
  some values from: cement gland primordium
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: A simple mucus-secreting structure that is positioned at the front of the embryo, attaches the newly hatched embryo to a support before the hatchling can swim well or feed, and marks the anterior-most dorsal ectoderm.
  has db xref: PMID:8787748
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_8787748

hatching gland
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 15
subclass of: Restriction
  on property: ends during
  some values from: NF stage 35 and 36
subclass of: Restriction
  on property: part of
  some values from: ectoderm
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000026
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000026
has related synonym: frontal gland

zygote
type: Class
subclass of: cell
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
has OBO namespace: xenopus_anatomy
has db xref: CL:0000365
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000365
has definition: Cell resulting from the fusion of male and female gametes at fertilization.
  type: Definition
  has db xref: OMD:zygote
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_zygote
has exact synonym: fertilized egg

animal cap
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 6 (32-cell)
subclass of: Restriction
  on property: part of
  some values from: ectoderm
subclass of: Restriction
  on property: ends during
  some values from: NF stage 12
has OBO namespace: xenopus_anatomy
has definition: Ectodermal roof of the blastocoel.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: animal ectoderm

animal cap inner layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: animal cap
has OBO namespace: xenopus_anatomy
has definition: Sensorial layer of blastocoel roof ectoderm.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

animal cap outer layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: animal cap
has OBO namespace: xenopus_anatomy
has definition: Superficial layer of blastocoel roof ectoderm.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

anatomical site
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
consider: anatomical region

head region
type: Class
subclass of: anatomical region
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

epidermis inner layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: epidermis
has OBO namespace: xenopus_anatomy
has related synonym: stratum germinativum
has related synonym: epidermis sensorial layer

neuroectoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: part of
  some values from: ectoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 11.5
has OBO namespace: xenopus_anatomy
has related synonym: neural ectoderm
has related synonym: presumptive central nervous system
has definition: Embryonic ectoderm that gives rise to nervous tissue.
  type: Definition
  has db xref: NLM:neuroectoderm
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_neuroectoderm
has exact synonym: neurectoderm
has db xref: ZFA:0001120
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001120

neuroectoderm outer layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: neuroectoderm
has OBO namespace: xenopus_anatomy

neuroectoderm inner layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: neuroectoderm
has OBO namespace: xenopus_anatomy

pre-chordal neural plate
type: Class
subclass of: Restriction
  on property: part of
  some values from: neural plate
has OBO namespace: xenopus_anatomy
has definition: The portion of neural plate anterior to the mid-hindbrain junction.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: anterior neural plate

chordal neural plate
type: Class
subclass of: Restriction
  on property: part of
  some values from: neural plate
has OBO namespace: xenopus_anatomy
has definition: The portion of neural plate posterior to the mid-hindbrain junction.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: posterior neural plate

notoplate
type: Class
subclass of: Restriction
  on property: part of
  some values from: neural plate
has OBO namespace: xenopus_anatomy

neural crest
type: Class
subclass of: Restriction
  on property: part of
  some values from: neuroectoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 15
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: ZFA:0000045
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000045
has definition: A group of embryonic cells that loosen and separate from the neural plate and surrounding epidermis during neurulation and migrate to give several different lineages of adult cells.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: OMD:neural+crest
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_neural+crest
has related synonym: neural crest material

cement gland primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
subclass of: Restriction
  on property: starts during
  some values from: NF stage 15
subclass of: Restriction
  on property: ends during
  some values from: NF stage 28
has OBO namespace: xenopus_anatomy

mesoderm
type: Class
subclass of: primary germ layer
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: ZFA:0000041
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000041
has definition: Primary germ layer that is the middle of the embryo's germ layers.
  type: Definition
  has db xref: OMD:mesoderm
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_mesoderm
has related synonym: mesodermal mantle

dorsal aorta
type: Class
subclass of: aorta
subclass of: Restriction
  on property: develops from
  some values from: intermediate mesoderm
subclass of: Restriction
  on property: develops from
  some values from: arterial endothelium
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000014
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000014

cardinal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: intermediate mesoderm
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

head mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 21
subclass of: Restriction
  on property: develops from
  some values from: prechordal plate
has OBO namespace: xenopus_anatomy

trunk region
type: Class
subclass of: anatomical region
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

notochord
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: axial mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 12.5
subclass of: Restriction
  on property: ends during
  some values from: NF stage 66
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: ZFA:0000135
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000135
has definition: Definition
  label: A longitudinal flexible rod of cells that in the embryo forms the supporting axis of the body. It degenerates, beginning anteriorly, at NF stage 46. Its posterior portion is greatly reduced by NF stage 55 and the entire structure is gone by NF stage 65.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: NLM:notochord
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_notochord

hypochord
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 24
subclass of: Restriction
  on property: part of
  some values from: endoderm
subclass of: Restriction
  on property: ends during
  some values from: NF stage 43
has OBO namespace: xenopus_anatomy
has related synonym: subnotochordal rod
  type: Synonym
  has db xref: PMID:10648245
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_10648245
has db xref: ZFA:0000031
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000031
has definition: Definition
  label: Transient structure that lies immediately ventral to the notochord in the embryo, likely required for the formation of the dorsal aorta. A slight depression marks the future hypochord at NF stage 20 and its segregation from the dorsal endoderm begins at NF stage 24. It progresses from anterior to posterior and is complete by NF stage 28. At NF stage 32 it is present as a dorso-laterally flattened ribbon of yolk-laden cells. It degenerates by apoptosis and by NF stage 43 is no longer detectable as a distinct structure.
  has db xref: PMID:10648245
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_10648245
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

presomitic mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: paraxial mesoderm
has OBO namespace: xenopus_anatomy
has related synonym: somitogenic mesoderm

somite
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: part of
  some values from: mesoderm
subclass of: Restriction
  on property: ends during
  some values from: NF stage 47
subclass of: Restriction
  on property: starts during
  some values from: NF stage 17
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: ZFA:0000155
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000155
has definition: Definition
  label: Any of the approximately 45 bilaterally paired blocks of mesoderm cells, lying on either side of the notochord and neural tube, and forming sequentially starting at the head during development of the embryo. Together they give rise to the axial skeleton (from the sclerotome), associated musculature (from the myotome), and dermis (from the dermatome).
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
  has db xref: OMD:somite
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_somite
has related synonym: somitic mesoderm
has related synonym: somites

pronephros
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
replaced by: pronephric kidney

pronephric capsule
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
consider: glomus

nephrostome
type: Class
subclass of: Restriction
  on property: develops from
  some values from: pronephric mesenchyme
subclass of: Restriction
  on property: starts during
  some values from: NF stage 29 and 30
subclass of: Restriction
  on property: part of
  some values from: pronephric kidney
subclass of: Restriction
  on property: ends during
  some values from: NF stage 59
has OBO namespace: xenopus_anatomy

pronephric duct
type: Class
subclass of: Restriction
  on property: part of
  some values from: pronephric kidney
subclass of: Restriction
  on property: develops from
  some values from: pronephric mesenchyme
subclass of: Restriction
  on property: starts during
  some values from: NF stage 29 and 30
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000150
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000150

heart
type: Class
subclass of: viscus
subclass of: Restriction
  on property: part of
  some values from: cardiovascular system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has definition: Internal, blood pumping organ ultimately composed of three chambers (two atria and one ventricle) and occupying a ventral position within the chest of the mature tadpole/frog.
  type: Definition
  has db xref: PMID:17194606
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_17194606
has db xref: ZFA:0000114
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000114

myocardium
type: Class
subclass of: Restriction
  on property: part of
  some values from: heart
subclass of: Restriction
  on property: develops from
  some values from: fused heart primordium
has OBO namespace: xenopus_anatomy
has related synonym: cardiac muscle
has db xref: ZFA:0001319
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001319

endocardium
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 27
subclass of: Restriction
  on property: develops from
  some values from: fused heart primordium
subclass of: Restriction
  on property: part of
  some values from: heart
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001320
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001320

blood island
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
subclass of: Restriction
  on property: develops from
  some values from: lateral plate mesoderm
subclass of: Restriction
  on property: part of
  some values from: hematological system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000094
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000094
has broad synonym: ventral lateral plate mesoderm
has related synonym: VBI
has related synonym: ventral blood island
has definition: Region located on the ventral surface of the developing embryo that is a site of hematopoiesis and that is analogous to the yolk sac blood islands of higher vertebrates.
  type: Definition
  has db xref: PMID:9618755
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_9618755

marginal zone
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: part of
  some values from: embryo
has OBO namespace: xenopus_anatomy

ventral marginal zone
type: Class
subclass of: marginal zone
has OBO namespace: xenopus_anatomy

ventro-lateral marginal zone
type: Class
subclass of: marginal zone
has OBO namespace: xenopus_anatomy

dorso-lateral marginal zone
type: Class
subclass of: marginal zone
has OBO namespace: xenopus_anatomy

dorsal marginal zone
type: Class
subclass of: marginal zone
has OBO namespace: xenopus_anatomy
has definition: Marginal zone that is a key embryonic tissue region of the early gastrula stage embryo and that houses the Spemann-Mangold organizer.
  type: Definition
  has db xref: PMID:17368611
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_17368611
has related synonym: organizer
has exact synonym: DMZ
  type: Synonym
  has db xref: PMID:17368611
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_17368611

deep (mesenchymal) layer
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

involuting marginal zone
type: Class
subclass of: marginal zone
has OBO namespace: xenopus_anatomy

involuting marginal zone mesenchymal layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: involuting marginal zone
has OBO namespace: xenopus_anatomy
has related synonym: deep involuting marginal zone

involuting marginal zone epithelial layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: involuting marginal zone
has OBO namespace: xenopus_anatomy
has related synonym: superficial involuting marginal zone

bottle cell
type: Class
subclass of: cell
subclass of: Restriction
  on property: starts during
  some values from: NF stage 10
subclass of: Restriction
  on property: part of
  some values from: endoderm
has OBO namespace: xenopus_anatomy
has definition: Cell type that is first to migrate inwards at the blastopore during gastrulation.
  type: Definition
  has db xref: OMD:bottle+cell
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_bottle+cell

blastopore lip
type: Class
subclass of: Restriction
  on property: part of
  some values from: blastopore
has OBO namespace: xenopus_anatomy

prechordal plate
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 10.25
subclass of: Restriction
  on property: develops from
  some values from: mesoderm
has OBO namespace: xenopus_anatomy
has broad synonym: head mesenchyme
has broad synonym: head mesoderm
has db xref: ZFA:0000060
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000060

forelimb region
type: Class
subclass of: anatomical region
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

hindlimb region
type: Class
subclass of: anatomical region
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

circumblastoporal collar
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: mesoderm
has OBO namespace: xenopus_anatomy
has related synonym: circumblastoporal region

involuted dorsal mesoderm
type: Class
subclass of: Restriction
  on property: part of
  some values from: circumblastoporal collar
has OBO namespace: xenopus_anatomy

involuted ventral mesoderm
type: Class
subclass of: Restriction
  on property: part of
  some values from: circumblastoporal collar
has OBO namespace: xenopus_anatomy

intermediate mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: mesoderm
has OBO namespace: xenopus_anatomy
has related synonym: lateral plate mesoderm
has db xref: ZFA:0001206
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001206

ciliary marginal zone
type: Class
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001289
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001289

tail region
type: Class
subclass of: anatomical region
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

upper blastopore lip
type: Class
subclass of: Restriction
  on property: part of
  some values from: blastopore lip
has OBO namespace: xenopus_anatomy
has related synonym: dorsal blastopore lip

lower blastopore lip
type: Class
subclass of: Restriction
  on property: part of
  some values from: blastopore lip
has OBO namespace: xenopus_anatomy
has related synonym: ventral blastopore lip

endoderm
type: Class
subclass of: primary germ layer
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has definition: Primary germ layer that lies remote from the surface of the embryo and gives rise to internal tissues such as gut.
  type: Definition
  has db xref: OMD:endoderm
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_endoderm
has db xref: ZFA:0000017
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000017
has related synonym: entoderm

head endoderm
type: Class
subclass of: Restriction
  on property: part of
  some values from: endoderm
has OBO namespace: xenopus_anatomy

archenteron
type: Class
subclass of: anatomical space
subclass of: Restriction
  on property: part of
  some values from: endoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 10.25
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: The cavity of the gastrula forming a primitive gut. At NF stage 20-21 its wide canal becomes dorso-ventrally compressed and narrowed in the future trunk region so that a subdivision into a foregut, a midgut and a hindgut with protruding endodermal mass becomes manifest.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: NLM:archenteron
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_archenteron

archenteron floor
type: Class
subclass of: Restriction
  on property: part of
  some values from: archenteron
has OBO namespace: xenopus_anatomy

archenteron roof
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 12
subclass of: Restriction
  on property: part of
  some values from: archenteron
has OBO namespace: xenopus_anatomy

lateral line system
type: Class
subclass of: sensory system
subclass of: Restriction
  on property: part of
  some values from: peripheral nervous system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Sensory system that has as it parts the sense organs that detect vibrations carried through water, develops during late tailbud stage, and persists in the adult bearing elaborate dorsal and ventral components.
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has related synonym: lateral-line organs
has related synonym: lateral line stitches
has db xref: ZFA:0000034
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000034

pharyngeal arch
type: Class
subclass of: Restriction
  on property: part of
  some values from: head
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has definition: One of a series of bony or cartilaginous arches that develop in the walls of the mouth cavity and pharynx of the embryo.
  type: Definition
  has db xref: NLM:branchial+arch
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_branchial+arch
has related synonym: visceral arch
has db xref: ZFA:0001306
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001306
has related synonym: pharyngeal arches

mandibular arch
type: Class
subclass of: pharyngeal arch
subclass of: Restriction
  on property: part of
  some values from: splanchnocranium
subclass of: Restriction
  on property: starts during
  some values from: NF stage 24
subclass of: Restriction
  on property: develops from
  some values from: visceral pouch 1
has OBO namespace: xenopus_anatomy
has related synonym: first visceral arch
has db xref: ZFA:0001227
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001227

hyoid arch
type: Class
subclass of: pharyngeal arch
subclass of: Restriction
  on property: develops from
  some values from: visceral pouch 2
subclass of: Restriction
  on property: starts during
  some values from: NF stage 24
has OBO namespace: xenopus_anatomy
has related synonym: second visceral arch

branchial arch
type: Class
subclass of: pharyngeal arch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 27
has OBO namespace: xenopus_anatomy
has related synonym: branchial arches

cardiovascular system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical system that has as its parts the heart and blood vessels.
  type: Definition
  has db xref: BTO:0000088
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000088
has db xref: ZFA:0000010
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000010

liver diverticulum
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 14
subclass of: Restriction
  on property: develops from
  some values from: foregut
has OBO namespace: xenopus_anatomy

visceral pouch 1
type: Class
subclass of: visceral pouch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
has OBO namespace: xenopus_anatomy
has exact synonym: first visceral pouch

midgut
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
subclass of: Restriction
  on property: part of
  some values from: alimentary system
subclass of: Restriction
  on property: develops from
  some values from: archenteron
has OBO namespace: xenopus_anatomy

hindgut
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: part of
  some values from: alimentary system
subclass of: Restriction
  on property: develops from
  some values from: archenteron
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
has OBO namespace: xenopus_anatomy

pharyngeal cavity
type: Class
subclass of: anatomical space
subclass of: Restriction
  on property: part of
  some values from: alimentary system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 29 and 30
subclass of: Restriction
  on property: develops from
  some values from: foregut
has OBO namespace: xenopus_anatomy

post-anal gut
type: Class
subclass of: Restriction
  on property: part of
  some values from: archenteron
has OBO namespace: xenopus_anatomy

tail bud
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 25
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has exact synonym: tailbud
has db xref: ZFA:0000077
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000077
has definition: Definition
  label: Rapidly proliferating mass of cells at the caudal extremity of the embryo. Its formation is reflected in a caudal carving of the posterior portion of the archenteric canal at NF stage 22. With its further outgrowth, the postanal gut primordium becomes stretched. Its lumen is in broad communication with the hindgut at NF stage 25.
  has db xref: OMD:tail+bud
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_tail+bud
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

chordoneural hinge
type: Class
subclass of: Restriction
  on property: part of
  some values from: tail bud
has OBO namespace: xenopus_anatomy

posterior wall of NEC
type: Class
subclass of: Restriction
  on property: part of
  some values from: tail bud
has OBO namespace: xenopus_anatomy

glomeral mesenchyme
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: intermediate mesoderm
has OBO namespace: xenopus_anatomy
has related synonym: glomerulus
has related synonym: corpuscle
has definition: Portion of tissue that consists of the precursors of the pronephric glomus or glomerulus; derived from the medial portion of the pronephric intermediate mesoderm.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

germ cell
type: Class
subclass of: germ line cell
has OBO namespace: xenopus_anatomy
has definition: Cell type that is involved in the reproduction of the organism.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has db xref: CL:0000586
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000586

embryo
type: Class
subclass of: Xenopus anatomical entity
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: develops from
  some values from: zygote
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has definition: Definition
  label: Anatomical entity that comprises the animal in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues, and the formation of primitive organs and organ systems.
  has db xref: BTO:0000379
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000379
has db xref: ZFA:0000103
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000103

artery
type: Class
subclass of: blood vessel
has OBO namespace: xenopus_anatomy
has definition: Any of the tubular branching vessels that carry blood from the heart through the body.
  type: Definition
  has db xref: NLM:artery
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_artery
has db xref: ZFA:0000005
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000005

vein
type: Class
subclass of: blood vessel
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000082
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000082
has definition: Any of the tubular branching vessels that carry blood from the capillaries toward the heart.
  type: Definition
  has db xref: NLM:vein
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_vein

capillary
type: Class
subclass of: blood vessel
has OBO namespace: xenopus_anatomy
has definition: Any of the smallest blood vessels connecting arterioles with venules.
  type: Definition
  has db xref: NLM:capillary
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_capillary

respiratory system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical system that has as its parts the organs involved in breathing in respiration (breathing).
  type: Definition
  has db xref: OMD:respiratory+apparatus
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_respiratory+apparatus
has db xref: ZFA:0000272
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000272

trachea
type: Class
subclass of: Restriction
  on property: part of
  some values from: respiratory system
has OBO namespace: xenopus_anatomy

lung
type: Class
subclass of: viscus
subclass of: Restriction
  on property: part of
  some values from: respiratory system
has OBO namespace: xenopus_anatomy
has definition: Saccular thoracic organ that constitutes the basic respiratory organ.
  type: Definition
  has db xref: BTO:0000763
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000763

external gill
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: develops from
  some values from: gill primordium
subclass of: Restriction
  on property: part of
  some values from: respiratory system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 39
has OBO namespace: xenopus_anatomy

bronchus
type: Class
subclass of: Restriction
  on property: part of
  some values from: respiratory system
has OBO namespace: xenopus_anatomy

hematological system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical system that consists of the blood and blood forming tissues.
  type: Definition
  has db xref: OMD:haematological
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_haematological
has exact synonym: haematological system
has related synonym: hematopoietic system

bone marrow
type: Class
subclass of: Restriction
  on property: part of
  some values from: hematological system
has OBO namespace: xenopus_anatomy

blood
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
subclass of: Restriction
  on property: part of
  some values from: hematological system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000007
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000007
has definition: The fluid that circulates in the heart, arteries, capillaries, and veins carrying nourishment and oxygen to and bringing away waste products from all parts of the animal.
  type: Definition
  has db xref: NLM:blood
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_blood

alimentary system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000339
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000339
has definition: Anatomical system that has as its parts the organs devoted to the ingestion, digestion, and assimilation of food and the discharge of residual wastes.
  type: Definition
  has db xref: NLM:alimentary+system
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_alimentary+system
has related synonym: gut
has related synonym: digestive system

oral cavity
type: Class
subclass of: anatomical space
subclass of: Restriction
  on property: part of
  some values from: mouth
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001027
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001027

esophagus
type: Class
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000204
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000204
has exact synonym: oesophagus
has definition: Definition
  label: Tube that connects the pharynx to the stomach. At NF stage 57 it is a straight tube, round in cross section, and starting from the pharynx runs backward along the dorsal side of the abdominal cavity. Its lining consists of a columnar glandular epithelium with mucus secreting cells. It is thrown into longitudinal folds.
  has db xref: OMD:esophagus
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_esophagus
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

stomach
type: Class
subclass of: viscus
subclass of: Restriction
  on property: develops from
  some values from: foregut
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000437
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000437
has definition: Internal organ that is the dilated portion of the alimentary tract situated between the esophagus and the beginning of the duodenum. It produces gastric juices involved in the breakdown of food.
  type: Definition
  has db xref: OMD:stomach
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_stomach

intestine
type: Class
subclass of: viscus
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001338
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001338

small intestine
type: Class
subclass of: Restriction
  on property: part of
  some values from: intestine
has OBO namespace: xenopus_anatomy

large intestine
type: Class
subclass of: Restriction
  on property: part of
  some values from: intestine
has OBO namespace: xenopus_anatomy

liver and biliary system
type: Class
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000036
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000036

liver
type: Class
subclass of: viscus
subclass of: Restriction
  on property: part of
  some values from: liver and biliary system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000123
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000123
has definition: Vascular, glandular internal organ that secretes bile and causes important changes in many of the substances contained in the blood.
  type: Definition
  has db xref: BTO:0000759
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000759

bile duct
type: Class
subclass of: Restriction
  on property: develops from
  some values from: liver diverticulum
subclass of: Restriction
  on property: part of
  some values from: liver and biliary system
has OBO namespace: xenopus_anatomy
has definition: Duct that carries bile from the liver to the small intestine.
  type: Definition
  has db xref: ZFA:0001100
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0001100
has related synonym: hepatic duct

gall bladder
type: Class
subclass of: viscus
subclass of: Restriction
  on property: develops from
  some values from: liver diverticulum
subclass of: Restriction
  on property: part of
  some values from: liver and biliary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000208
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000208

pancreas
type: Class
subclass of: viscus
subclass of: Restriction
  on property: develops from
  some values from: ventral pancreatic bud
subclass of: Restriction
  on property: part of
  some values from: alimentary system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 39
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Internal gland organ with distinct tissues with different endocrine and exocrine functions. Its rudiment has three parts, one dorsal and two ventral primordia. The ventral can be first detected at NF stage 37/38. The dorsal is clearly segregated from the duodenal wall by NF stage 39. At NF stage 40 the right and left primordia have fused just above the gasto-duodenal vein. At NF stage 42 blood vessels penetrate into the crevices between the pancreatic acini making them more conspicuous.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: ISBN:0881679860
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0881679860
has db xref: ZFA:0000140
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000140

exocrine pancreas
type: Class
subclass of: Restriction
  on property: part of
  some values from: pancreas
has OBO namespace: xenopus_anatomy
has definition: Pancreatic tissue composed of acinar epithelial cells and ductal epithelium that manufacture the proteolytic enzymes and bicarbonate required for digestion.
  type: Definition
  has db xref: ZFA:0001249
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0001249
has db xref: ZFA:0001249
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001249

mesentery
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0005129
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005129

peritoneum
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0005120
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005120

urogenital system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical system that has as its parts the organs concerned with the production and excretion of urine and those concerned with reproduction.
  type: Definition
  has db xref: NLM:genitourinary+tract
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_genitourinary+tract

mesonephric kidney
type: Class
subclass of: Restriction
  on property: part of
  some values from: trunk
subclass of: Restriction
  on property: part of
  some values from: urinary system
has OBO namespace: xenopus_anatomy
has related synonym: adult kidney
has related synonym: opisthonephros
has related synonym: mesonephros
has definition: Organ that is the definitive adult kidney. It replaces the earlier pronephros, which degenerates as the mesonephros becomes functional in feeding stage tadpoles.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

genital system
type: Class
subclass of: Restriction
  on property: part of
  some values from: urogenital system
subclass of: Restriction
  on property: develops from
  some values from: genital ridge
has OBO namespace: xenopus_anatomy
has related synonym: reproductive system
has definition: Anatomical system that has as its parts the organs concerned with reproduction.
  type: Definition
  has db xref: NLM:genitourinary+tract
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_genitourinary+tract
has db xref: ZFA:0000632
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000632

urinary system
type: Class
subclass of: Restriction
  on property: part of
  some values from: urogenital system
has OBO namespace: xenopus_anatomy
has definition: Anatomical system that has as its parts the organs concerned with the production and excretion of urine.
  type: Definition
  has db xref: NLM:genitourinary+tract
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_genitourinary+tract

ureter
type: Class
subclass of: Restriction
  on property: part of
  some values from: urinary system
has OBO namespace: xenopus_anatomy

glomerulus
type: Class
subclass of: Restriction
  on property: part of
  some values from: mesonephric nephron
has OBO namespace: xenopus_anatomy
has related synonym: renal corpuscle

glomerus
type: Class
subclass of: glomerulus
has OBO namespace: xenopus_anatomy

mesonephric tubule
type: Class
subclass of: Restriction
  on property: part of
  some values from: mesonephric nephron
has OBO namespace: xenopus_anatomy
has related synonym: renal tubule

renal proximal convoluted tubule
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
consider: mesonephric early proximal tubule

loop of Henle
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

mesonephric collecting duct
type: Class
subclass of: Restriction
  on property: part of
  some values from: mesonephric tubule
has OBO namespace: xenopus_anatomy

renal distal convoluted tubule
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
consider: mesonephric late distal segment

urethra
type: Class
subclass of: Restriction
  on property: part of
  some values from: urinary system
has OBO namespace: xenopus_anatomy

bladder
type: Class
subclass of: viscus
subclass of: Restriction
  on property: starts during
  some values from: NF stage 55
subclass of: Restriction
  on property: part of
  some values from: urinary system
has OBO namespace: xenopus_anatomy

male genitalia
type: Class
subclass of: genital system
subclass of: Restriction
  on property: part of
  some values from: male organism
has OBO namespace: xenopus_anatomy
has definition: The organs of the male reproductive system.
  type: Definition
  has db xref: NLM:genitalia
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_genitalia
has related synonym: male genitals

female genitalia
type: Class
subclass of: genital system
subclass of: Restriction
  on property: part of
  some values from: female organism
has OBO namespace: xenopus_anatomy
has definition: The organs of the female reproductive system.
  type: Definition
  has db xref: NLM:genitalia
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_genitalia
has related synonym: female genitals

testis
type: Class
subclass of: gonad
subclass of: Restriction
  on property: part of
  some values from: male genitalia
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000598
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000598
has definition: Reproductive organ that produces and releases sperm.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: testes

endocrine system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical system that consists of the glands and parts of glands that produce endocrine secretions and help to integrate and control bodily metabolic activity.
  type: Definition
  has db xref: NLM:endocrine+system
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_endocrine+system
has db xref: ZFA:0001158
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001158

Islets of Langerhans
type: Class
subclass of: Restriction
  on property: part of
  some values from: endocrine system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 45
subclass of: Restriction
  on property: part of
  some values from: pancreas
subclass of: Restriction
  on property: develops from
  some values from: ventral pancreatic bud
has OBO namespace: xenopus_anatomy
has related synonym: endocrine pancreas

pineal gland
type: Class
subclass of: Restriction
  on property: part of
  some values from: visual system
subclass of: Restriction
  on property: part of
  some values from: endocrine system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 26
subclass of: Restriction
  on property: part of
  some values from: midbrain
has OBO namespace: xenopus_anatomy
has related synonym: epiphysis
has related synonym: pineal organ
has db xref: ZFA:0000019
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000019

pituitary gland
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 40
subclass of: Restriction
  on property: part of
  some values from: endocrine system
has OBO namespace: xenopus_anatomy

thyroid
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 49
subclass of: Restriction
  on property: develops from
  some values from: thyroid primordium
subclass of: Restriction
  on property: part of
  some values from: endocrine system
has OBO namespace: xenopus_anatomy

thymus
type: Class
subclass of: Restriction
  on property: part of
  some values from: immune system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 40
subclass of: Restriction
  on property: part of
  some values from: endocrine system
subclass of: Restriction
  on property: ends during
  some values from: adult
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001078
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001078
has definition: Anatomical structure of largely lymphoid tissue that functions in cell-mediated immunity by being the site where T cells develop.
  type: Definition
  has db xref: NLM:thymus
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_thymus

adrenal gland
type: Class
subclass of: Restriction
  on property: part of
  some values from: endocrine system
has OBO namespace: xenopus_anatomy

adrenal cortex
type: Class
subclass of: Restriction
  on property: part of
  some values from: adrenal gland
has OBO namespace: xenopus_anatomy
has related synonym: interrenal tissue

adrenal medulla
type: Class
subclass of: Restriction
  on property: part of
  some values from: adrenal gland
has OBO namespace: xenopus_anatomy
has related synonym: chromaffin cells

parathyroid
type: Class
subclass of: Restriction
  on property: develops from
  some values from: ultimobranchial body
subclass of: Restriction
  on property: part of
  some values from: endocrine system
subclass of: Restriction
  on property: develops from
  some values from: branchial arch 1
has OBO namespace: xenopus_anatomy

musculoskeletal system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical system that provides locomotion and physical support to the organism.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

bone
type: Class
subclass of: portion of connective tissue
has OBO namespace: xenopus_anatomy
has definition: The hard form of connective tissue that constitutes the majority of the skeleton.
  type: Definition
  has db xref: BTO:0000140
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000140
has db xref: ZFA:0001514
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001514

cartilage
type: Class
subclass of: portion of connective tissue
has OBO namespace: xenopus_anatomy
has definition: A type of dense connective tissue that is composed of specialized cells, chondrocytes, that produce a large amount of extracellular matrix.
  type: Definition
  has db xref: WIKI:Cartilage
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Cartilage
has db xref: ZFA:0001501
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001501

joint
type: Class
subclass of: anatomical cluster
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001596
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001596
has definition: Anatomical cluster that consists of two or more adjacent bones or cartilages, which may be interconnected by various types of tissue.
  type: Definition
  has db xref: ZFA:0001596
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0001596

muscle
type: Class
subclass of: portion of tissue
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has db xref: ZFA:0005145
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005145
has definition: A body tissue consisting of long cells that contract when stimulated and produce motion.
  type: Definition
  has db xref: BTO:0000887
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000887

tendon
type: Class
subclass of: portion of connective tissue
subclass of: Restriction
  on property: develops from
  some values from: tendon fibroblast
has OBO namespace: xenopus_anatomy
has alternative id: XAO:0000400
has definition: A fibrous, strong, connective tissue that connects muscle to bone.
  type: Definition
  has db xref: OMD:tendon
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_tendon

skeletal muscle
type: Class
subclass of: muscle
subclass of: Restriction
  on property: part of
  some values from: musculoskeletal system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 46
subclass of: Restriction
  on property: develops from
  some values from: myotome
has OBO namespace: xenopus_anatomy
has definition: A type of muscle used to create movement, by applying force to bones and joints.
  type: Definition
  has db xref: WIKI:Skeletal_muscle
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Skeletal_muscle

smooth muscle
type: Class
subclass of: muscle
subclass of: Restriction
  on property: develops from
  some values from: lateral plate mesoderm
has OBO namespace: xenopus_anatomy

dermal system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical system that consists of the skin and its appendages.
  type: Definition
  has db xref: OMD:dermal+system
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_dermal+system

nervous system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has definition: Definition
  label: Anatomical system that has as its parts the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs.
  has db xref: NLM:nervous+system
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_nervous+system
has db xref: ZFA:0000396
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000396

peripheral nervous system
type: Class
subclass of: Restriction
  on property: part of
  some values from: nervous system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000142
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000142
has definition: One of the two major divisions of the nervous system. Its nerves connect the central nervous system with sensory organs, other organs, muscles, blood vessels and glands.
  type: Definition
  has db xref: OMD:peripheral+nervous+system
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_peripheral+nervous+system
has exact synonym: PNS

eye
type: Class
subclass of: Restriction
  on property: part of
  some values from: central nervous system
subclass of: Restriction
  on property: develops from
  some values from: eye primordium
subclass of: Restriction
  on property: part of
  some values from: head
subclass of: Restriction
  on property: part of
  some values from: visual system
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has definition: Definition
  label: The organ of sight (visual apparatus), almost spherical in shape. At the end of development (NF stage 66) the eyes bulge out of their orbital capsules near the lateral edge of the dorsal side of the head.
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has related synonym: eyes
has db xref: ZFA:0000107
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000107

cornea
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000640
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000640
has definition: The transparent front part of the eye that, together with the lens, refracts light.
  type: Definition
  has db xref: WIKI:Cornea
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Cornea

globe
type: Class
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy

conjunctiva
type: Class
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy

sclera
type: Class
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy

otic vesicle
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
replaced by: ear vesicle

iris
type: Class
subclass of: Restriction
  on property: part of
  some values from: eye
subclass of: Restriction
  on property: develops from
  some values from: eye vesicle
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001238
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001238

ciliary body
type: Class
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001203
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001203

dorsolateral placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
subclass of: Restriction
  on property: starts during
  some values from: NF stage 22
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001310
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001310

cranial nerve II
type: Class
subclass of: cranial nerve
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000435
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000435
has definition: Cranial nerve that runs to the eye.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has related synonym: optic nerve

auditory apparatus
type: Class
subclass of: Restriction
  on property: develops from
  some values from: ear vesicle
subclass of: Restriction
  on property: part of
  some values from: vestibuloauditory system
has OBO namespace: xenopus_anatomy

external ear
type: Class
subclass of: Restriction
  on property: part of
  some values from: auditory apparatus
has OBO namespace: xenopus_anatomy

middle ear
type: Class
subclass of: Restriction
  on property: part of
  some values from: auditory apparatus
has OBO namespace: xenopus_anatomy

inner ear
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: auditory apparatus
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000217
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000217
has definition: Labyrinthine anatomical cluster that comprises sensory endorgans specialized for vestibular, auditory, and acoustico-vestibular sensation.
  type: Definition
  has db xref: PMID:16217737
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_16217737

osseous labyrinth
type: Class
subclass of: Restriction
  on property: part of
  some values from: inner ear
has OBO namespace: xenopus_anatomy
has related synonym: bony labyrinth

membranous labyrinth
type: Class
subclass of: Restriction
  on property: part of
  some values from: inner ear
has OBO namespace: xenopus_anatomy

utricle
type: Class
subclass of: Restriction
  on property: part of
  some values from: membranous labyrinth
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000700
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000700

sacculus
type: Class
subclass of: Restriction
  on property: part of
  some values from: membranous labyrinth
has OBO namespace: xenopus_anatomy
has related synonym: saccule

lagena
type: Class
subclass of: Restriction
  on property: part of
  some values from: osseous labyrinth
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000374
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000374
has related synonym: cochlea

semicircular canal
type: Class
subclass of: Restriction
  on property: part of
  some values from: osseous labyrinth
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000431
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000431

vestibule
type: Class
subclass of: Restriction
  on property: part of
  some values from: osseous labyrinth
has OBO namespace: xenopus_anatomy

animal blastomere
type: Class
subclass of: blastomere
subclass of: Restriction
  on property: develops from
  some values from: animal hemisphere
subclass of: Restriction
  on property: ends during
  some values from: NF stage 9
subclass of: Restriction
  on property: starts during
  some values from: NF stage 2 (2-cell)
has OBO namespace: xenopus_anatomy
has definition: Pigmented, smaller blastomere of the animal (upper) hemisphere of the cleaving embryo.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has related synonym: micromere

olfactory apparatus
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
consider: olfactory organ

animal hemisphere
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: part of
  some values from: zygote
has OBO namespace: xenopus_anatomy

archencephalic region
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

peripheral nerve
type: Class
subclass of: nerve
subclass of: Restriction
  on property: part of
  some values from: peripheral nervous system
has OBO namespace: xenopus_anatomy

axial mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: mesoderm
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001204
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001204

blastocoel anlage
type: Class
subclass of: Restriction
  on property: part of
  some values from: zygote
has OBO namespace: xenopus_anatomy

blastocoel roof
type: Class
subclass of: Restriction
  on property: part of
  some values from: blastocoel
has OBO namespace: xenopus_anatomy

blastopore
type: Class
subclass of: Restriction
  on property: part of
  some values from: marginal zone
has OBO namespace: xenopus_anatomy

ganglion
type: Class
subclass of: portion of tissue
subclass of: Restriction
  on property: part of
  some values from: peripheral nervous system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000190
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000190
has related synonym: ganglia
has definition: Portion of tissue that contains cell bodies of neurons and is located outside the central nervous system.
  type: Definition
  has db xref: NLM:ganglion
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_ganglion

spinal ganglion
type: Class
subclass of: ganglion
subclass of: Restriction
  on property: starts during
  some values from: NF stage 39
has OBO namespace: xenopus_anatomy

sympathetic chain
type: Class
subclass of: Restriction
  on property: part of
  some values from: peripheral nervous system
has OBO namespace: xenopus_anatomy

tympanum
type: Class
subclass of: Restriction
  on property: part of
  some values from: auditory apparatus
has OBO namespace: xenopus_anatomy

auditory tube
type: Class
subclass of: Restriction
  on property: part of
  some values from: auditory apparatus
has OBO namespace: xenopus_anatomy

auditory ossicle
type: Class
subclass of: Restriction
  on property: part of
  some values from: auditory apparatus
has OBO namespace: xenopus_anatomy

central nervous system
type: Class
subclass of: Restriction
  on property: part of
  some values from: nervous system
has OBO namespace: xenopus_anatomy
has exact synonym: CNS
has db xref: ZFA:0000012
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000012
has definition: Definition
  label: The part of the nervous system that consists of the brain and spinal cord, to which sensory impulses are transmitted and from which motor impulses pass out, and that supervises and coordinates the activity of the entire nervous system.
  has db xref: NLM:central+nervous+system
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_central+nervous+system

cortex
type: Class
subclass of: Restriction
  on property: part of
  some values from: zygote
has OBO namespace: xenopus_anatomy

dermis
type: Class
subclass of: Restriction
  on property: part of
  some values from: skin
subclass of: Restriction
  on property: develops from
  some values from: dermatome
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001119
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001119

appendage
type: Class
subclass of: Restriction
  on property: part of
  some values from: skin
has OBO namespace: xenopus_anatomy
has related synonym: appendages

superficial (epithelial) layer
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

dermatome
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 2
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 12
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 1
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 9
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 6
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 14
subclass of: Restriction
  on property: part of
  some values from: somite
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 5
subclass of: Restriction
  on property: develops from
  some values from: head somite 2
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 15
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 7
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 11
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 17
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 13
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 3
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 4
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 10
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 8
subclass of: Restriction
  on property: develops from
  some values from: head somite 4
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 16
subclass of: Restriction
  on property: develops from
  some values from: head somite 1
subclass of: Restriction
  on property: develops from
  some values from: head somite 3
has OBO namespace: xenopus_anatomy
has definition: Somitic compartment that is a precursor of dermis, the cells of which become arranged in a single layer that blankets the myotome, possibly continuously (unsegmented) across somites.
  type: Definition
  has db xref: PMID:17313522
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_17313522

deuterencephalic region
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

ear placode
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
replaced by: otic placode

otic placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 21
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000138
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000138
has definition: Invagination of thickened epithelium near the hindbrain that gives rise to a spherically shaped ear vesicle.
  type: Definition
  has db xref: PMID:16217737
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_16217737
has related synonym: auditory placode

vegetal part, early involuting
type: Class
subclass of: Restriction
  on property: part of
  some values from: involuting marginal zone
has OBO namespace: xenopus_anatomy

trigeminal placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: dorsolateral placode
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000162
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000162

equatorial belt
type: Class
subclass of: Restriction
  on property: part of
  some values from: zygote
has OBO namespace: xenopus_anatomy

eye primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: develops from
  some values from: pre-chordal neural plate
subclass of: Restriction
  on property: ends during
  some values from: NF stage 21
subclass of: Restriction
  on property: starts during
  some values from: NF stage 18
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: First trace of the future visual apparatus. The eye primordia forming antero-lateral evaginations of the closing neural tube are originally massive formations into which only a slit-shaped extension of the neural groove penetrates at NF stage 18. At NF stage 19 they clearly segregate from the anterior portion of the neural tube.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has related synonym: eye anlage

eye vesicle
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 21
subclass of: Restriction
  on property: part of
  some values from: visual system
subclass of: Restriction
  on property: develops from
  some values from: eye primordium
has OBO namespace: xenopus_anatomy
has related synonym: optic cup

fasciculated network of fibrils
type: Class
subclass of: Restriction
  on property: part of
  some values from: oocyte
has OBO namespace: xenopus_anatomy
has broad synonym: coelomic envelope

follicle cell
type: Class
subclass of: cell
subclass of: Restriction
  on property: part of
  some values from: ovary
has OBO namespace: xenopus_anatomy
has db xref: CL:0000477
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000477
has definition: Cell type that forms a layer within an ovarian follicle that surrounds the oocyte.
  type: Definition
  has db xref: OMD:follicle+cell
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_follicle+cell

follicle layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: testis
subclass of: Restriction
  on property: part of
  some values from: ovary
has OBO namespace: xenopus_anatomy

foregut
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: part of
  some values from: alimentary system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
subclass of: Restriction
  on property: develops from
  some values from: archenteron
has OBO namespace: xenopus_anatomy

germ plasm
type: Class
subclass of: Restriction
  on property: ends during
  some values from: NF stage 40
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: part of
  some values from: vegetal hemisphere
has OBO namespace: xenopus_anatomy

germinal vesicle
type: Class
subclass of: Restriction
  on property: part of
  some values from: oocyte
has OBO namespace: xenopus_anatomy
has exact synonym: GV

cardiac mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: mesoderm
has OBO namespace: xenopus_anatomy
has definition: Two migratory heart primordia that move ventrally during the course of neurulation, and whose fusion begins at the ventral midline at NF stage 16.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: heart primordia

duodenum
type: Class
subclass of: Restriction
  on property: part of
  some values from: small intestine
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: The first part of the small intestine. At the junction of the stomach and the duodenum the alimentary canal is inflected. The duodenum first goes anteriorly for a short distance, turns dorsally, and eventually caudally, thus it is a U-shaped structure with two horizontal sections (a ventral and a dorsal one).
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: ZFA:0000348
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000348

ileum
type: Class
subclass of: Restriction
  on property: part of
  some values from: small intestine
has OBO namespace: xenopus_anatomy

rectum
type: Class
subclass of: Restriction
  on property: part of
  some values from: large intestine
has OBO namespace: xenopus_anatomy

hepato-pancreatic duct
type: Class
subclass of: Restriction
  on property: develops from
  some values from: liver diverticulum
subclass of: Restriction
  on property: part of
  some values from: liver and biliary system
has OBO namespace: xenopus_anatomy

lens placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
subclass of: Restriction
  on property: starts during
  some values from: NF stage 27
subclass of: Restriction
  on property: ends during
  some values from: NF stage 33 and 34
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000122
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000122

posterior cardinal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: cardinal vein
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000477
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000477

mesonephric duct
type: Class
subclass of: Restriction
  on property: part of
  some values from: urogenital system
subclass of: Restriction
  on property: develops from
  some values from: pronephric duct
has OBO namespace: xenopus_anatomy
has related synonym: Wolffian duct
has db xref: ZFA:0000546
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000546

colon
type: Class
subclass of: Restriction
  on property: part of
  some values from: large intestine
has OBO namespace: xenopus_anatomy

cloaca
type: Class
subclass of: Restriction
  on property: part of
  some values from: tail bud
subclass of: Restriction
  on property: starts during
  some values from: NF stage 28
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has related synonym: cloacal chamber

mitochondrial aggregate
type: Class
subclass of: Restriction
  on property: part of
  some values from: oocyte
has OBO namespace: xenopus_anatomy

myocoelic slit
type: Class
subclass of: Restriction
  on property: part of
  some values from: myotome
has OBO namespace: xenopus_anatomy

visceral pouch 2
type: Class
subclass of: visceral pouch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
has OBO namespace: xenopus_anatomy
has exact synonym: second visceral pouch

neural groove
type: Class
subclass of: Restriction
  on property: part of
  some values from: neural plate
has OBO namespace: xenopus_anatomy
has definition: The median dorsal longitudinal groove formed in the embryo by the neural plate after the appearance of the neural folds.
  type: Definition
  has db xref: NLM:neural+groove
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_neural+groove

neural plate
type: Class
subclass of: Restriction
  on property: part of
  some values from: neuroectoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 11.5
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000132
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000132
has definition: Definition
  label: A region of embryonic ectodermal cells that lie directly above the notochord. During neurulation, they change shape and produce an infolding of the neural plate (the neural fold) that then seals to form the neural tube. At NF stage 11.5 is the first indication of neural plate within the sensorial layer of ectoderm. It extends to near the animal pole by NF stage 12.5 and the entire plate is faintly delimited by NF stage 13.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: OMD:neural+plate
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_neural+plate

posterior neural tube
type: Class
subclass of: Restriction
  on property: develops from
  some values from: chordal neural plate
subclass of: Restriction
  on property: part of
  some values from: neural tube
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0007037
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0007037

visceral pouch 3
type: Class
subclass of: visceral pouch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 23
has OBO namespace: xenopus_anatomy
has exact synonym: third visceral pouch

neurocoel
type: Class
subclass of: Restriction
  on property: part of
  some values from: neuroectoderm
has OBO namespace: xenopus_anatomy

non-involuting marginal zone
type: Class
subclass of: marginal zone
subclass of: Restriction
  on property: part of
  some values from: ectoderm
has OBO namespace: xenopus_anatomy

visceral pouch 4
type: Class
subclass of: visceral pouch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 25
has OBO namespace: xenopus_anatomy
has exact synonym: fourth visceral pouch

visceral pouch 5
type: Class
subclass of: visceral pouch
has OBO namespace: xenopus_anatomy
has exact synonym: fifth visceral pouch

oocyte
type: Class
subclass of: germ cell
subclass of: Restriction
  on property: develops from
  some values from: secondary oogonium
has OBO namespace: xenopus_anatomy
has db xref: CL:0000023
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000023
has definition: Definition
  label: The developing female gamete, the differentiation of which is classified into six stages: I (pre-vitellogenic), II (early vitellogenic), III (mid-vitellogenic, formation of pigment), IV (polarization along animal-vegetal axis), V (late vitellogenic), and VI (post-vitellogenic, appearance of equatorial band).
  has db xref: PMID:4109871
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_4109871

oral evagination
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
subclass of: Restriction
  on property: develops from
  some values from: foregut
has OBO namespace: xenopus_anatomy

ovary
type: Class
subclass of: gonad
subclass of: Restriction
  on property: part of
  some values from: female genitalia
has OBO namespace: xenopus_anatomy
has definition: Reproductive organ that produces and releases eggs.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has db xref: ZFA:0000403
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000403

paraxial mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 13
subclass of: Restriction
  on property: develops from
  some values from: mesoderm
has OBO namespace: xenopus_anatomy
has definition: Area of mesoderm at either side of the midline embryonic notochord that, on segmentation, forms the paired somites.
  type: Definition
  has db xref: OMD:paraxial+mesoderm
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_paraxial+mesoderm
has db xref: ZFA:0000255
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000255

perivitelline space
type: Class
subclass of: Restriction
  on property: part of
  some values from: zygote
has OBO namespace: xenopus_anatomy

pigment layer
type: Class
subclass of: Restriction
  on property: part of
  some values from: eye
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
has OBO namespace: xenopus_anatomy

polar body
type: Class
subclass of: Restriction
  on property: part of
  some values from: oocyte
has OBO namespace: xenopus_anatomy

primary oogonium
type: Class
subclass of: germ cell
subclass of: Restriction
  on property: develops from
  some values from: primordial germ cell
subclass of: Restriction
  on property: starts during
  some values from: NF stage 54
subclass of: Restriction
  on property: part of
  some values from: ovary
has OBO namespace: xenopus_anatomy
has related synonym: primary oogonia

pronephric mesenchyme
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: intermediate mesoderm
subclass of: Restriction
  on property: ends during
  some values from: NF stage 29 and 30
subclass of: Restriction
  on property: starts during
  some values from: NF stage 21
has OBO namespace: xenopus_anatomy
has related synonym: pronephric primordium
has related synonym: pronephric bulge
has definition: Portion of tissue that consists of the mesenchymal precursor to the pronephric kidney and that begins to separate from the intermediate mesoderm at NF stage 21 and epithelializes by NF stage 30.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: pronephric anlage

visceral pouch 6
type: Class
subclass of: visceral pouch
has OBO namespace: xenopus_anatomy
has exact synonym: sixth visceral pouch

retinal layer
type: Class
subclass of: Restriction
  on property: develops from
  some values from: retina
subclass of: Restriction
  on property: part of
  some values from: eye
subclass of: Restriction
  on property: starts during
  some values from: NF stage 28
has OBO namespace: xenopus_anatomy

hypophyseal primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: develops from
  some values from: stomodeal-hypophyseal primordium
has OBO namespace: xenopus_anatomy

secondary oogonium
type: Class
subclass of: germ cell
subclass of: Restriction
  on property: develops from
  some values from: primary oogonium
has OBO namespace: xenopus_anatomy
has related synonym: secondary oogonia

mouth primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: starts during
  some values from: NF stage 28
subclass of: Restriction
  on property: develops from
  some values from: stomodeal-hypophyseal primordium
has OBO namespace: xenopus_anatomy

sensorial layer of neurectoderm
type: Class
subclass of: Restriction
  on property: part of
  some values from: neuroectoderm
has OBO namespace: xenopus_anatomy
has related synonym: deep layer of neurectoderm

somatic layer of lateral plate mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: lateral plate mesoderm
has OBO namespace: xenopus_anatomy

Jacobson's organ
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 37 and 38
subclass of: Restriction
  on property: part of
  some values from: olfactory system
subclass of: Restriction
  on property: develops from
  some values from: olfactory organ
has OBO namespace: xenopus_anatomy
has exact synonym: organon vomeronasale
has exact synonym: vomeronasal organ
has exact synonym: VNO
has definition: An auxiliary olfactory sense organ involved in the detection of pheromones.
  type: Definition
  has db xref: WIKI:Vomeronasal_organ
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Vomeronasal_organ

olfactory organ
type: Class
subclass of: Restriction
  on property: develops from
  some values from: olfactory placode
subclass of: Restriction
  on property: starts during
  some values from: NF stage 37 and 38
subclass of: Restriction
  on property: part of
  some values from: olfactory system
has OBO namespace: xenopus_anatomy

sperm entry point
type: Class
subclass of: Restriction
  on property: part of
  some values from: zygote
has OBO namespace: xenopus_anatomy

nasal pit
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: olfactory placode
subclass of: Restriction
  on property: starts during
  some values from: NF stage 29 and 30
has OBO namespace: xenopus_anatomy

splanchnic layer of lateral plate mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: lateral plate mesoderm
has OBO namespace: xenopus_anatomy

choana
type: Class
subclass of: Restriction
  on property: part of
  some values from: head
subclass of: Restriction
  on property: starts during
  some values from: NF stage 43
subclass of: Restriction
  on property: develops from
  some values from: olfactory placode
has OBO namespace: xenopus_anatomy
has related synonym: choanae

animal part, late involuting
type: Class
subclass of: Restriction
  on property: part of
  some values from: involuting marginal zone
has OBO namespace: xenopus_anatomy

vegetal blastomere
type: Class
subclass of: blastomere
subclass of: Restriction
  on property: ends during
  some values from: NF stage 9
subclass of: Restriction
  on property: develops from
  some values from: vegetal hemisphere
subclass of: Restriction
  on property: starts during
  some values from: NF stage 2 (2-cell)
has OBO namespace: xenopus_anatomy
has related synonym: macromere
has definition: Unpigmented, larger blastomere of the vegetal (lower) hemisphere of the cleaving embryo.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

vegetal hemisphere
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: part of
  some values from: zygote
has OBO namespace: xenopus_anatomy

vegetal yolk mass
type: Class
subclass of: Restriction
  on property: part of
  some values from: vegetal hemisphere
has OBO namespace: xenopus_anatomy

visceral pouch
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: foregut
has OBO namespace: xenopus_anatomy
has related synonym: visceral pouches

pupil
type: Class
subclass of: Restriction
  on property: part of
  some values from: eye
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001283
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001283

epibranchial placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
subclass of: Restriction
  on property: develops from
  some values from: dorsolateral placode
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001294
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001294

pronephric nephron
type: Class
subclass of: Restriction
  on property: part of
  some values from: pronephric kidney
subclass of: Restriction
  on property: starts during
  some values from: NF stage 29 and 30
subclass of: Restriction
  on property: ends during
  some values from: NF stage 64
has OBO namespace: xenopus_anatomy

late proximal tubule
type: Class
subclass of: Restriction
  on property: part of
  some values from: pronephric nephron
has OBO namespace: xenopus_anatomy

early distal tubule
type: Class
subclass of: Restriction
  on property: part of
  some values from: pronephric nephron
has OBO namespace: xenopus_anatomy

early proximal tubule
type: Class
subclass of: Restriction
  on property: part of
  some values from: pronephric nephron
has OBO namespace: xenopus_anatomy

late distal segment
type: Class
subclass of: Restriction
  on property: part of
  some values from: pronephric nephron
has OBO namespace: xenopus_anatomy

pronephric nephron segment S1
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

mesonephric mesenchyme
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 43
subclass of: Restriction
  on property: develops from
  some values from: intermediate mesoderm
has OBO namespace: xenopus_anatomy

mesonephric nephron
type: Class
subclass of: Restriction
  on property: part of
  some values from: mesonephric kidney
subclass of: Restriction
  on property: develops from
  some values from: mesonephric mesenchyme
has OBO namespace: xenopus_anatomy
has alternative id: XAO:0000145
has definition: The basic functional unit of the kidney.
  type: Definition
  has db xref: PMID:9268568
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_9268568
has related synonym: nephron

neural fold
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
consider: anterior neural fold

blastocoel
type: Class
subclass of: anatomical space
subclass of: Restriction
  on property: develops from
  some values from: blastocoel anlage
has OBO namespace: xenopus_anatomy

central endoderm
type: Class
subclass of: Restriction
  on property: part of
  some values from: endoderm
has OBO namespace: xenopus_anatomy
has related synonym: vegetal endodermal core

vegetal
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

animal
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

dorsal
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

ventral
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

superficial
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

deep
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

dorso-lateral
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

ventro-lateral
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

lateral
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

cranial placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: animal cap inner layer
subclass of: Restriction
  on property: part of
  some values from: ectoderm
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
has OBO namespace: xenopus_anatomy
has related synonym: cranial placodes

floor plate
type: Class
subclass of: Restriction
  on property: part of
  some values from: spinal cord
subclass of: Restriction
  on property: develops from
  some values from: notoplate
has OBO namespace: xenopus_anatomy
has exact synonym: floorplate
has definition: Definition
  label: Organizing center consisting of a small group of cells located at the ventral midline of the neural tube that influences the development of the nervous system, governing the specification of neuronal cell types and directing axonal trajectories.
  has db xref: PMID:15738958
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_15738958
  has db xref: GO:0021508
    type: DbXref
    has URI: http://purl.org/obo/owl/GO#GO_0021508
has related synonym: spinal cord floor
has db xref: ZFA:0000022
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000022

anterior neural tube
type: Class
subclass of: Restriction
  on property: develops from
  some values from: pre-chordal neural plate
subclass of: Restriction
  on property: part of
  some values from: neural tube
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0007038
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0007038

marginal zone (sensu neural)
type: Class
subclass of: anatomical region
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

anterior neural fold
type: Class
subclass of: Restriction
  on property: part of
  some values from: pre-chordal neural plate
has OBO namespace: xenopus_anatomy

lateral plate mesoderm
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: mesoderm
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000121
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000121

head somite
type: Class
subclass of: somite
subclass of: Restriction
  on property: starts during
  some values from: NF stage 17
has OBO namespace: xenopus_anatomy
has related synonym: occipital somite
has related synonym: cranial somite
has definition: Any of the transient, degenerating occipital somites.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

trunk somite
type: Class
subclass of: somite
subclass of: Restriction
  on property: part of
  some values from: trunk
has OBO namespace: xenopus_anatomy

myotome
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: part of
  some values from: somite
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001056
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001056
has definition: Somitic compartment that is a precursor of muscle.
  type: Definition
  has db xref: PMID:17313522
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_17313522
has related synonym: myotomes

epicardium
type: Class
subclass of: Restriction
  on property: part of
  some values from: heart
subclass of: Restriction
  on property: develops from
  some values from: fused heart primordium
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0005057
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005057

glomus
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 29 and 30
subclass of: Restriction
  on property: part of
  some values from: pronephric kidney
subclass of: Restriction
  on property: ends during
  some values from: NF stage 55
subclass of: Restriction
  on property: develops from
  some values from: glomeral mesenchyme
comment: Properly called a glomus as it extends over multiple body segments.
has OBO namespace: xenopus_anatomy
has related synonym: glomera
has related synonym: corpuscle
has related synonym: glomerulus
has definition: The filtration unit of the pronephric kidney.
  type: Definition
  has db xref: PMID:9268568
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_9268568

trunk neural crest
type: Class
subclass of: Restriction
  on property: part of
  some values from: neural crest
subclass of: Restriction
  on property: ends during
  some values from: NF stage 31
subclass of: Restriction
  on property: starts during
  some values from: NF stage 16
has OBO namespace: xenopus_anatomy
has related synonym: trunk crest
has definition: Trunk portion of the neural crest. The anterior and middle regions of the neural crest segregate at NF stage 16, while the posterior portion forms at NF stage 17.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: ZFA:0001024
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001024

sensorial layer
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: ectoderm
has OBO namespace: xenopus_anatomy
has definition: The inner layer of ectoderm.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

profundus ganglion
type: Class
subclass of: ganglion
subclass of: Restriction
  on property: develops from
  some values from: trigeminal placode
has OBO namespace: xenopus_anatomy
has related synonym: profundus ganglia
has related synonym: cranial ganglion

hypobranchial placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: dorsolateral placode
has OBO namespace: xenopus_anatomy
has definition: Derivative of ectodermal thickening ventral to second and third pharyngeal pouches. Gives rise to neurons of unknown fate.
  type: Definition
  has db xref: PMID:12712315
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_12712315

left spleen primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: develops from
  some values from: splanchnic layer of lateral plate mesoderm
has OBO namespace: xenopus_anatomy
has definition: Primordium of the spleen, which goes on to form the spleen proper, while the right splenic promordium degenerates.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

right spleen primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: develops from
  some values from: splanchnic layer of lateral plate mesoderm
has OBO namespace: xenopus_anatomy
has definition: Transient splenic primordia that degenerates by NF stage 40.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

spleen
type: Class
subclass of: viscus
subclass of: Restriction
  on property: develops from
  some values from: left spleen primordium
subclass of: Restriction
  on property: starts during
  some values from: NF stage 48
subclass of: Restriction
  on property: part of
  some values from: immune system
has OBO namespace: xenopus_anatomy
has definition: Internal lymphoid organ derived from left spleen primordia beginning at NF stage 48.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has db xref: ZFA:0000436
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000436

coelomic epithelium
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: develops from
  some values from: somatic layer of lateral plate mesoderm
subclass of: Restriction
  on property: develops from
  some values from: splanchnic layer of lateral plate mesoderm
has OBO namespace: xenopus_anatomy
has definition: The epithelial lining of the coelom.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

Mullerian duct
type: Class
subclass of: Restriction
  on property: part of
  some values from: urogenital system
subclass of: Restriction
  on property: develops from
  some values from: intermediate mesoderm
has OBO namespace: xenopus_anatomy

mesonephric early proximal tubule
type: Class
subclass of: Restriction
  on property: develops from
  some values from: mesonephric nephron
subclass of: Restriction
  on property: part of
  some values from: mesonephric tubule
has OBO namespace: xenopus_anatomy
has definition: Structure that is equivalent to the convoluted proximal tubule of metanephric nephrons.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

mesonephric late proximal tubule
type: Class
subclass of: Restriction
  on property: part of
  some values from: mesonephric tubule
subclass of: Restriction
  on property: develops from
  some values from: mesonephric nephron
has OBO namespace: xenopus_anatomy
has related synonym: proximal straight segment
has related synonym: opisthonephros
has definition: Structure that is the mesonephros nephron's equivalent to the straight proximal segment of a metanephric nephron.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

mesonephric early distal tubule
type: Class
subclass of: Restriction
  on property: part of
  some values from: mesonephric tubule
subclass of: Restriction
  on property: develops from
  some values from: mesonephric nephron
has OBO namespace: xenopus_anatomy
has related synonym: ascending limb
has related synonym: straight distal segment
has definition: The mesonephric equivalent of the ascending limb, or straight distal segment, of metanephric nephrons.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

mesonephric late distal segment
type: Class
subclass of: Restriction
  on property: part of
  some values from: mesonephric tubule
subclass of: Restriction
  on property: develops from
  some values from: mesonephric nephron
has OBO namespace: xenopus_anatomy
has definition: The site of bicarbonate resorption in the adult kidney. It is equivalent to the convoluted distal segment of metanephric nephrons.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

fused heart primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: part of
  some values from: cardiovascular system
subclass of: Restriction
  on property: develops from
  some values from: cardiac mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 19
has OBO namespace: xenopus_anatomy
has related synonym: heart primordium

endocardial tube
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: endocardium
has OBO namespace: xenopus_anatomy

ventral aorta
type: Class
subclass of: aorta
subclass of: Restriction
  on property: develops from
  some values from: endocardial tube
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000604
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000604

left channel of ventral aorta
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: ventral aorta
has OBO namespace: xenopus_anatomy

right channel of ventral aorta
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: ventral aorta
has OBO namespace: xenopus_anatomy

aortic arch
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: right channel of ventral aorta
subclass of: Restriction
  on property: develops from
  some values from: left channel of ventral aorta
has OBO namespace: xenopus_anatomy
has related synonym: aortic arches
has db xref: ZFA:0005004
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005004

aortic arch 1
type: Class
subclass of: aortic arch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 31
has OBO namespace: xenopus_anatomy
has exact synonym: first aortic arch

aortic arch 2
type: Class
subclass of: aortic arch
has OBO namespace: xenopus_anatomy
has exact synonym: second aortic arch

aortic arch 3
type: Class
subclass of: aortic arch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
has OBO namespace: xenopus_anatomy
has exact synonym: third aortic arch

external carotid artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: aortic arch 1
has OBO namespace: xenopus_anatomy

larval aorta
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: dorsal aorta
subclass of: Restriction
  on property: develops from
  some values from: aortic arch 3
has OBO namespace: xenopus_anatomy

secondary vessel
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

aortic arch 5
type: Class
subclass of: aortic arch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
has OBO namespace: xenopus_anatomy
has exact synonym: fifth aortic arch

aortic arch 6
type: Class
subclass of: aortic arch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
has OBO namespace: xenopus_anatomy
has exact synonym: sixth aortic arch

posterior palatine artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: aortic arch 1
has OBO namespace: xenopus_anatomy

aortic arch 4
type: Class
subclass of: aortic arch
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
has OBO namespace: xenopus_anatomy
has exact synonym: fourth aortic arch

vascular endothelium
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: develops from
  some values from: intermediate mesoderm
subclass of: Restriction
  on property: part of
  some values from: cardiovascular system
has OBO namespace: xenopus_anatomy
has related synonym: vascular endothelia
has related synonym: angioblasts

arterial endothelium
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: part of
  some values from: artery
subclass of: Restriction
  on property: develops from
  some values from: vascular endothelium
has OBO namespace: xenopus_anatomy

venous endothelium
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: part of
  some values from: vein
subclass of: Restriction
  on property: develops from
  some values from: vascular endothelium
has OBO namespace: xenopus_anatomy

arteria iliaca communis
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: dorsal aorta
has OBO namespace: xenopus_anatomy

coeliaco-mesenteric artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: dorsal aorta
has OBO namespace: xenopus_anatomy

occipitovertebral artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: dorsal aorta
has OBO namespace: xenopus_anatomy

caudal artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: dorsal aorta
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000011
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000011

arteria subclavia
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: occipitovertebral artery
has OBO namespace: xenopus_anatomy

internal carotid artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: dorsal aorta
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0005081
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005081

cerebral artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: internal carotid artery
has OBO namespace: xenopus_anatomy

opthalmic artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: internal carotid artery
has OBO namespace: xenopus_anatomy

anterior palatine artery
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: internal carotid artery
has OBO namespace: xenopus_anatomy

arteria mesenterica posterior
type: Class
subclass of: artery
subclass of: Restriction
  on property: develops from
  some values from: arteria iliaca communis
has OBO namespace: xenopus_anatomy

anterior lymph heart
type: Class
subclass of: Restriction
  on property: part of
  some values from: lymphatic system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

posterior lymph heart
type: Class
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
subclass of: Restriction
  on property: part of
  some values from: lymphatic system
has OBO namespace: xenopus_anatomy
has definition: Precursor to the lymph vessels, consisting of four pairs initially.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

duct of Cuvier
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy
has related synonym: common cardinal vein

dorsal lymph space
type: Class
subclass of: Restriction
  on property: develops from
  some values from: anterior lymph heart
subclass of: Restriction
  on property: part of
  some values from: lymphatic system
has OBO namespace: xenopus_anatomy

lymph vessel
type: Class
subclass of: Restriction
  on property: part of
  some values from: lymphatic system
subclass of: Restriction
  on property: part of
  some values from: circulatory system
subclass of: Restriction
  on property: develops from
  some values from: posterior lymph heart
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
subclass of: Restriction
  on property: develops from
  some values from: dorsal lymph space
has OBO namespace: xenopus_anatomy
has related synonym: lymphatic vessel
has definition: A vessel that contains or conveys lymph.
  type: Definition
  has db xref: BTO:0000752
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000752
has db xref: ZFA:0005105
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005105

omphalomesenteric vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

capillary system of liver
type: Class
subclass of: Restriction
  on property: develops from
  some values from: omphalomesenteric vein
subclass of: Restriction
  on property: part of
  some values from: liver
has OBO namespace: xenopus_anatomy

musculoabdominal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

external jugular
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

lateral postcardinal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

mesonephric sinus
type: Class
subclass of: Restriction
  on property: develops from
  some values from: lateral postcardinal vein
subclass of: Restriction
  on property: part of
  some values from: urogenital system
has OBO namespace: xenopus_anatomy

internal jugular
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

anterior cardinal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: cardinal vein
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000423
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000423

medial cardinal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: cardinal vein
has OBO namespace: xenopus_anatomy

pronephric sinus
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 31
subclass of: Restriction
  on property: develops from
  some values from: medial cardinal vein
subclass of: Restriction
  on property: develops from
  some values from: anterior cardinal vein
subclass of: Restriction
  on property: develops from
  some values from: duct of Cuvier
subclass of: Restriction
  on property: part of
  some values from: pronephric kidney
has OBO namespace: xenopus_anatomy

interrenal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: medial cardinal vein
has OBO namespace: xenopus_anatomy

hepatic vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000670
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000670

posterior vena cava
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: hepatic vein
subclass of: Restriction
  on property: develops from
  some values from: interrenal vein
has OBO namespace: xenopus_anatomy

gastric vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

caudal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: interrenal vein
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000180
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000180

subinterstitial vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

portal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

tail vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

pulmonary vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

medial abdominal vein
type: Class
subclass of: vein
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
has OBO namespace: xenopus_anatomy

head somite 1
type: Class
subclass of: head somite
subclass of: Restriction
  on property: ends during
  some values from: NF stage 26
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 17
has OBO namespace: xenopus_anatomy
has related synonym: somite W
  type: Synonym
  has db xref: PMID:2769206
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_2769206
has definition: Transient occipital somite that exists from NF stages 17 to 26 only.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

sclerotome
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: part of
  some values from: somite
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001080
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001080
has related synonym: sclerotomes
has definition: Somitic compartment that is a precursor of the axial skeleton.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

tendon fibroblast
type: Class
subclass of: fibroblast
subclass of: Restriction
  on property: develops from
  some values from: sclerotome
has OBO namespace: xenopus_anatomy

sclerotomal cartilage
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: sclerotome
has OBO namespace: xenopus_anatomy

head somite 2
type: Class
subclass of: head somite
subclass of: Restriction
  on property: starts during
  some values from: NF stage 18
subclass of: Restriction
  on property: ends during
  some values from: NF stage 29 and 30
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy
has related synonym: somite X
  type: Synonym
  has db xref: PMID:2769206
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_2769206
has definition: Transient occipital somite that exists from NF stages 18 to 29 only.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

head somite 3
type: Class
subclass of: head somite
subclass of: Restriction
  on property: starts during
  some values from: NF stage 18
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
subclass of: Restriction
  on property: ends during
  some values from: NF stage 29 and 30
has OBO namespace: xenopus_anatomy
has definition: Transient occipital somite that exists from NF stages 18 to 29/30 only.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: somite Y
  type: Synonym
  has db xref: PMID:2769206
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_2769206

head somite 4
type: Class
subclass of: head somite
subclass of: Restriction
  on property: starts during
  some values from: NF stage 18
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy
has definition: Transient occipital somite that exists from NF stages 19 to late 30's.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: somite Z
  type: Synonym
  has db xref: PMID:2769206
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_2769206

trunk somite 1
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 19
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Trunk somite that is initially the 5th somite, first forming around NF stage 19 and becoming more anteriorly positioned as the head somites degenerate. It is the most anterior somite by NF stage 45 and is adjacent to the otic vesicle.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has related synonym: fifth somite

trunk somite 2
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 19
has OBO namespace: xenopus_anatomy
has definition: Trunk somite that is initially the sixth somite.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

trunk somite 3
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 20
has OBO namespace: xenopus_anatomy

trunk somite 4
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 5
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 6
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 7
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

sclerotomal mesenchyme
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: sclerotome
has OBO namespace: xenopus_anatomy

notochordal sheath
type: Class
subclass of: Restriction
  on property: part of
  some values from: notochord
subclass of: Restriction
  on property: develops from
  some values from: sclerotomal mesenchyme
has OBO namespace: xenopus_anatomy

trunk somite 8
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 9
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 10
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 11
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 12
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 13
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 14
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
has OBO namespace: xenopus_anatomy

trunk somite 15
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 27
has OBO namespace: xenopus_anatomy

trunk somite 16
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 28
has OBO namespace: xenopus_anatomy
has definition: Trunk somite that forms at NF stage 28, by which time head somite 1 has degenerated.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

trunk somite 17
type: Class
subclass of: trunk somite
subclass of: Restriction
  on property: develops from
  some values from: presomitic mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 28
has OBO namespace: xenopus_anatomy

cranial nerve I
type: Class
subclass of: cranial nerve
subclass of: Restriction
  on property: part of
  some values from: olfactory system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
subclass of: Restriction
  on property: develops from
  some values from: olfactory placode
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000249
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000249
has related synonym: olfactory nerve
has definition: Cranial nerve that supplies the nasal organ.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

gasserian ganglion
type: Class
subclass of: ganglion
subclass of: Restriction
  on property: develops from
  some values from: trigeminal placode
has OBO namespace: xenopus_anatomy
has related synonym: gasserian ganglia

trigeminal ganglion
type: Class
subclass of: ganglion
subclass of: Restriction
  on property: develops from
  some values from: trigeminal placode
has OBO namespace: xenopus_anatomy
has related synonym: trigeminus ganglion
has db xref: ZFA:0000295
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000295
has related synonym: trigeminal ganglia

cephalic nerve
type: Class
subclass of: cranial nerve
has OBO namespace: xenopus_anatomy

Rathke's pouch
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: mouth primordium
has OBO namespace: xenopus_anatomy

tooth
type: Class
subclass of: Restriction
  on property: develops from
  some values from: mouth primordium
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has broad synonym: dentition
has related synonym: teeth

death
type: Class
subclass of: Xenopus developmental stage
has OBO namespace: xenopus_developmental_stage
has definition: The end of the animal's life.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

coelomic filter chamber
type: Class
subclass of: Restriction
  on property: part of
  some values from: lateral plate mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 28
has OBO namespace: xenopus_anatomy
has related synonym: coelom

lateral line placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: cranial placode
has OBO namespace: xenopus_anatomy
has related synonym: lateral line placodes

infraorbital lateral line primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
subclass of: Restriction
  on property: develops from
  some values from: lateral line placode
has OBO namespace: xenopus_anatomy

supraorbital lateral line
type: Class
subclass of: Restriction
  on property: part of
  some values from: lateral line system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
subclass of: Restriction
  on property: develops from
  some values from: lateral line placode
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000443
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000443

trunk lateral line
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
subclass of: Restriction
  on property: part of
  some values from: lateral line system
subclass of: Restriction
  on property: develops from
  some values from: lateral line placode
has OBO namespace: xenopus_anatomy

thyroid primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
subclass of: Restriction
  on property: develops from
  some values from: pharyngeal cavity
subclass of: Restriction
  on property: ends during
  some values from: NF stage 49
subclass of: Restriction
  on property: part of
  some values from: endocrine system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001081
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001081

taste bud
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 51
subclass of: Restriction
  on property: develops from
  some values from: pharyngeal cavity
subclass of: Restriction
  on property: develops from
  some values from: tongue
subclass of: Restriction
  on property: part of
  some values from: gustatory system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001074
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001074

tongue
type: Class
subclass of: Restriction
  on property: part of
  some values from: head
subclass of: Restriction
  on property: starts during
  some values from: NF stage 40
subclass of: Restriction
  on property: develops from
  some values from: mandibular arch
has OBO namespace: xenopus_anatomy

branchial arch 1
type: Class
subclass of: branchial arch
subclass of: Restriction
  on property: develops from
  some values from: visceral pouch 3
subclass of: Restriction
  on property: starts during
  some values from: NF stage 27
has OBO namespace: xenopus_anatomy
has related synonym: third visceral arch
has exact synonym: first branchial arch

gill primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: ends during
  some values from: NF stage 39
subclass of: Restriction
  on property: develops from
  some values from: branchial arch 1
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
subclass of: Restriction
  on property: develops from
  some values from: branchial arch 2
has OBO namespace: xenopus_anatomy

branchial arch 2
type: Class
subclass of: branchial arch
subclass of: Restriction
  on property: develops from
  some values from: visceral pouch 4
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
has OBO namespace: xenopus_anatomy
has exact synonym: second branchial arch
has related synonym: fourth visceral arch

epithelial body
type: Class
subclass of: Restriction
  on property: part of
  some values from: endocrine system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 43
subclass of: Restriction
  on property: develops from
  some values from: visceral pouch 2
subclass of: Restriction
  on property: develops from
  some values from: branchial arch 1
has OBO namespace: xenopus_anatomy

branchial arch 3
type: Class
subclass of: branchial arch
subclass of: Restriction
  on property: develops from
  some values from: visceral pouch 5
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
has OBO namespace: xenopus_anatomy
has related synonym: fifth visceral arch
has exact synonym: third branchial arch

ultimobranchial body
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 40
subclass of: Restriction
  on property: develops from
  some values from: branchial arch 4
subclass of: Restriction
  on property: part of
  some values from: endocrine system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001448
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001448

branchial arch 4
type: Class
subclass of: branchial arch
subclass of: Restriction
  on property: develops from
  some values from: visceral pouch 6
has OBO namespace: xenopus_anatomy
has exact synonym: fourth branchial arch
has related synonym: sixth visceral arch

liver parenchyme
type: Class
subclass of: Restriction
  on property: part of
  some values from: liver
subclass of: Restriction
  on property: develops from
  some values from: liver diverticulum
has OBO namespace: xenopus_anatomy

biliary tree
type: Class
subclass of: Restriction
  on property: develops from
  some values from: liver diverticulum
subclass of: Restriction
  on property: part of
  some values from: liver and biliary system
has OBO namespace: xenopus_anatomy

pyloric sphincter
type: Class
subclass of: Restriction
  on property: part of
  some values from: alimentary system
subclass of: Restriction
  on property: develops from
  some values from: stomach
has OBO namespace: xenopus_anatomy

occipital lateral line
type: Class
subclass of: Restriction
  on property: part of
  some values from: lateral line system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 37 and 38
subclass of: Restriction
  on property: develops from
  some values from: lateral line placode
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000400
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000400

infraorbital lateral line
type: Class
subclass of: Restriction
  on property: develops from
  some values from: infraorbital lateral line primordium
subclass of: Restriction
  on property: part of
  some values from: lateral line system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000524
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000524

hyomandibular lateral line
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 43
subclass of: Restriction
  on property: part of
  some values from: lateral line system
subclass of: Restriction
  on property: develops from
  some values from: infraorbital lateral line primordium
has OBO namespace: xenopus_anatomy

trunk placode
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
has OBO namespace: xenopus_anatomy

dorsal lateral line
type: Class
subclass of: Restriction
  on property: part of
  some values from: lateral line system
subclass of: Restriction
  on property: develops from
  some values from: trunk placode
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0005112
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005112

middle lateral line
type: Class
subclass of: Restriction
  on property: part of
  some values from: lateral line system
subclass of: Restriction
  on property: develops from
  some values from: trunk placode
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000344
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000344

ventral lateral line
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
subclass of: Restriction
  on property: part of
  some values from: lateral line system
subclass of: Restriction
  on property: develops from
  some values from: trunk placode
has OBO namespace: xenopus_anatomy

caudal lateral line
type: Class
subclass of: Restriction
  on property: develops from
  some values from: ventral lateral line
subclass of: Restriction
  on property: part of
  some values from: lateral line system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 44
has OBO namespace: xenopus_anatomy

dorsal pancreatic bud
type: Class
subclass of: primordium
subclass of: Restriction
  on property: develops from
  some values from: midgut
subclass of: Restriction
  on property: starts during
  some values from: NF stage 35 and 36
subclass of: Restriction
  on property: ends during
  some values from: NF stage 40
has OBO namespace: xenopus_anatomy

dorsal fin
type: Class
subclass of: fin
subclass of: Restriction
  on property: develops from
  some values from: trunk neural crest
subclass of: Restriction
  on property: starts during
  some values from: NF stage 27
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001173
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001173

unicellular gland
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: develops from
  some values from: sensorial layer
subclass of: Restriction
  on property: starts during
  some values from: NF stage 50
has OBO namespace: xenopus_anatomy
has definition: Any of the large number of glands of the larval skin, particularly common in the fins and adjacent skin of the trunk; also formed in the former frontal gland area on the upper jaw.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

xanthophore
type: Class
subclass of: pigment cell
subclass of: Restriction
  on property: starts during
  some values from: NF stage 46
has OBO namespace: xenopus_anatomy
has db xref: CL:0000430
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000430

iridophore
type: Class
subclass of: pigment cell
subclass of: Restriction
  on property: starts during
  some values from: NF stage 59
has OBO namespace: xenopus_anatomy
has related synonym: guanophore
has db xref: CL:0000431
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000431

choroid fissure
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
subclass of: Restriction
  on property: develops from
  some values from: eye vesicle
subclass of: Restriction
  on property: ends during
  some values from: NF stage 46
has OBO namespace: xenopus_anatomy
has definition: A break in the continuity of the optic cup where the two sides of the cup meet.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: ZFA:0001075
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001075

optic stalk
type: Class
subclass of: Restriction
  on property: part of
  some values from: diencephalon
subclass of: Restriction
  on property: starts during
  some values from: NF stage 31
subclass of: Restriction
  on property: develops from
  some values from: eye vesicle
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000137
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000137

cranial neural crest
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 15
subclass of: Restriction
  on property: part of
  some values from: neural crest
subclass of: Restriction
  on property: ends during
  some values from: NF stage 31
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001194
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001194
has related synonym: head crest
has definition: Neural crest that is part of the head.
  type: Definition
  has db xref: ZFA:0001194
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0001194

lung primordium
type: Class
subclass of: primordium
subclass of: Restriction
  on property: part of
  some values from: respiratory system
subclass of: Restriction
  on property: develops from
  some values from: foregut
subclass of: Restriction
  on property: starts during
  some values from: NF stage 31
has OBO namespace: xenopus_anatomy
has definition: A pair of lateral diverticula just over the liver rudiment representing the primordia of the lungs, formed by the floor of the foregut just anterior to the liver diverticulum.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has related synonym: lateral diverticula

circulatory system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has related synonym: vasculature
has db xref: ZFA:0001079
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001079
has definition: Anatomical system that has as its parts the blood and lymph vessels.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

blood vessel
type: Class
subclass of: Restriction
  on property: part of
  some values from: cardiovascular system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 31
subclass of: Restriction
  on property: part of
  some values from: circulatory system
has OBO namespace: xenopus_anatomy
has definition: Any of the vessels through which blood circulates in the body.
  type: Definition
  has db xref: BTO:0001102
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0001102
has related synonym: vasculature

Stirnorgan
type: Class
subclass of: Restriction
  on property: develops from
  some values from: pineal gland
subclass of: Restriction
  on property: starts during
  some values from: NF stage 42
subclass of: Restriction
  on property: part of
  some values from: visual system
has OBO namespace: xenopus_anatomy
has related synonym: frontal organ

facial muscle
type: Class
subclass of: muscle
subclass of: Restriction
  on property: starts during
  some values from: NF stage 40
has OBO namespace: xenopus_anatomy

melanophore
type: Class
subclass of: pigment cell
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
has OBO namespace: xenopus_anatomy
has related synonym: melanocyte
has db xref: CL:0000148
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000148
has definition: A pigment cell that contains melanin, a brownish-black pigment.
  type: Definition
  has db xref: NLM:melanophore
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_melanophore

rectal diverticulum
type: Class
subclass of: Restriction
  on property: develops from
  some values from: cloaca
subclass of: Restriction
  on property: part of
  some values from: pronephric kidney
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
has OBO namespace: xenopus_anatomy
has related synonym: rectal diverticula

abdominal myoblast
type: Class
subclass of: myoblast
subclass of: Restriction
  on property: starts during
  some values from: NF stage 31
has OBO namespace: xenopus_anatomy

portion of connective tissue
type: Class
subclass of: portion of tissue
has OBO namespace: xenopus_anatomy
has definition: Portion of tissue that consists of mesodermally derived cells and intercellular matrix comprised of protein fibers and carbohydrates, which supports, ensheathes and binds together other tissues.
  type: Definition
  has db xref: ZFA:0001632
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0001632
has db xref: ZFA:0001632
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001632

anterior lymph sac
type: Class
subclass of: Restriction
  on property: develops from
  some values from: venous endothelium
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
subclass of: Restriction
  on property: part of
  some values from: lymphatic system
has OBO namespace: xenopus_anatomy
has related synonym: rostral lymph sac

proctodeum
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: develops from
  some values from: ectoderm
subclass of: Restriction
  on property: part of
  some values from: alimentary system
subclass of: Restriction
  on property: starts during
  some values from: NF stage 21
has OBO namespace: xenopus_anatomy
has related synonym: anus
has exact synonym: proctodaeum
has definition: Inward fold on the surface of the embryonic ectoderm that develops into part of the anal passage.
  type: Definition
  has db xref: ZFA:0000066
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0000066
has db xref: ZFA:0000066
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000066

elastica externa
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 24
subclass of: Restriction
  on property: develops from
  some values from: notochord
subclass of: Restriction
  on property: ends during
  some values from: NF stage 62
has OBO namespace: xenopus_anatomy
has definition: Notochordal sheath or membrane. Its first indication is at NF stage 24, and it is a distinct membrane by NF stage 28.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has related synonym: notochordal sheath

notochordal epithelium
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: develops from
  some values from: notochord
subclass of: Restriction
  on property: starts during
  some values from: NF stage 31
has OBO namespace: xenopus_anatomy

first pancreatic bud
type: Class
subclass of: primordium
subclass of: Restriction
  on property: ends during
  some values from: NF stage 39
subclass of: Restriction
  on property: starts during
  some values from: NF stage 37 and 38
subclass of: Restriction
  on property: develops from
  some values from: foregut
has OBO namespace: xenopus_anatomy

second pancreatic bud
type: Class
subclass of: primordium
subclass of: Restriction
  on property: develops from
  some values from: foregut
has OBO namespace: xenopus_anatomy

ventral pancreatic bud
type: Class
subclass of: primordium
subclass of: Restriction
  on property: develops from
  some values from: first pancreatic bud
subclass of: Restriction
  on property: starts during
  some values from: NF stage 39
has OBO namespace: xenopus_anatomy

pronephric kidney
type: Class
subclass of: Restriction
  on property: develops from
  some values from: pronephric mesenchyme
subclass of: Restriction
  on property: starts during
  some values from: NF stage 29 and 30
subclass of: Restriction
  on property: part of
  some values from: urinary system
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
has related synonym: pronephros
has db xref: ZFA:0000151
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000151
has definition: Organ that serves as a transient kidney, providing osmoregulation during early developmental stages and then degenerating during metamorphosis.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

anatomical structure
type: Class
subclass of: Xenopus anatomical entity
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Material anatomical entity that has inherent 3D shape and is generated by coordinated expression of the organism's own genome.
  type: Definition
  has db xref: CARO:0000003
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000003
has db xref: CARO:0000003
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000003

anatomical group
type: Class
subclass of: anatomical structure
subclass of: Restriction
  on property: ends during
  some values from: death
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Anatomical structure consisting of at least two non-overlapping organs, multi-tissue aggregates or portion of tissues or cells of different types that does not constitute an organism, organ, multi-tissue aggregate, or portion of tissue.
  has db xref: CARO:0000054
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000054
has db xref: CARO:0000054
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000054

anatomical system
type: Class
subclass of: anatomical group
subclass of: Restriction
  on property: part of
  some values from: whole organism
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has db xref: CARO:0000011
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000011
has definition: Anatomical group that has as its parts distinct anatomical structures interconnected by anatomical structures at a lower level of granularity.
  type: Definition
  has db xref: CARO:0000011
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000011

unspecified
type: Class
subclass of: Xenopus anatomical entity
comment: Annotation of data with this anatomy term indicates that a structure or tissue was not specified by the investigator.
has OBO namespace: xenopus_anatomy

whole organism
type: Class
subclass of: anatomical structure
subclass of: Restriction
  on property: ends during
  some values from: death
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
has OBO namespace: xenopus_anatomy
in subset: organism views
in subset: sectional anatomy items
has db xref: CARO:0000012
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000012
has definition: Anatomical structure that is an individual member of Xenopus laevis.
  type: Definition
  has db xref: CARO:0000012
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000012

female organism
type: Class
subclass of: whole organism
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Gonochoristic organism that can produce female gametes.
  type: Definition
  has db xref: CARO:0000028
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000028
has db xref: CARO:0000028
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000028

male organism
type: Class
subclass of: whole organism
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has db xref: CARO:0000027
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000027
has definition: Gonochoristic organism that can produce male gametes.
  type: Definition
  has db xref: CARO:0000027
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000027

anatomical entity in vitro
type: Class
subclass of: Xenopus anatomical entity
has OBO namespace: xenopus_anatomy_in_vitro

activin-induced ectoderm
type: Class
subclass of: anatomical entity in vitro
has OBO namespace: xenopus_anatomy_in_vitro

disaggregated/reaggregated ectoderm treated with activin
type: Class
subclass of: anatomical entity in vitro
has OBO namespace: xenopus_anatomy_in_vitro

aorta
type: Class
subclass of: artery
has OBO namespace: xenopus_anatomy

primary germ layer
type: Class
subclass of: embryonic structure
subclass of: Restriction
  on property: part of
  some values from: embryo
has OBO namespace: xenopus_anatomy
has related synonym: embryonic germ layer
has related synonym: germ layer
has definition: Definition
  label: A layer of cells produced during the process of gastrulation during the early development of the embryo, which is distinct from other such layers of cells, as an early step of cell differentiation. The types of germ layers are the endoderm, ectoderm, and mesoderm.
  has db xref: BTO:0000556
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000556
has db xref: ZFA:0001122
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001122

cell
type: Class
subclass of: anatomical structure
subclass of: Restriction
  on property: part of
  some values from: whole organism
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical structure that has as its parts a maximally connected cell compartment surrounded by a plasma membrane.
  type: Definition
  has db xref: GO:0005623
    type: DbXref
    has URI: http://purl.org/obo/owl/GO#GO_0005623
has db xref: CARO:0000013
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000013

organism subdivision
type: Class
subclass of: anatomical structure
subclass of: Restriction
  on property: ends during
  some values from: death
subclass of: Restriction
  on property: part of
  some values from: whole organism
has OBO namespace: xenopus_anatomy
has definition: Anatomical structure that is a primary subdivision of the whole organism.
  type: Definition
  has db xref: CARO:0000032
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000032
has related synonym: body part
has db xref: CARO:0000032
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000032

pigment cell
type: Class
subclass of: cell
subclass of: Restriction
  on property: starts during
  some values from: NF stage 32
subclass of: Restriction
  on property: part of
  some values from: skin
subclass of: Restriction
  on property: develops from
  some values from: trunk neural crest
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Cell type that contains a deposition of coloring matter, the first of which differentiate during late tailbud stage, and that by NF stage 56 has produced a fully differentiated larval pigmentation pattern.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: NLM:pigment+cell
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_pigment+cell
has related synonym: chromatophore
has db xref: CL:0000147
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000147

myoblast
type: Class
subclass of: cell
has OBO namespace: xenopus_anatomy
has db xref: CL:0000056
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000056
has definition: Embryonic (precursor) cell of the myogenic lineage that develops from the mesoderm.
  type: Definition
  has db xref: CL:0000056
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000056

blastomere
type: Class
subclass of: cell
subclass of: Restriction
  on property: starts during
  some values from: NF stage 2 (2-cell)
subclass of: Restriction
  on property: ends during
  some values from: NF stage 9
has OBO namespace: xenopus_anatomy
has definition: Undifferentiated cell that is produced by early cleavages of the fertilized egg (zygote).
  type: Definition
  has db xref: CL:0000353
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000353
has db xref: CL:0000353
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000353
has exact synonym: blastoderm cell
  type: Synonym
  has db xref: CL:0000353
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000353

fibroblast
type: Class
subclass of: cell
has OBO namespace: xenopus_anatomy
has db xref: CL:0000057
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000057
has definition: A connective tissue cell that secretes an extracellular matrix rich in collagen and other macromolecules.
  type: Definition
  has db xref: CL:0000057
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000057

primary spermatogonium
type: Class
subclass of: germ cell
subclass of: Restriction
  on property: develops from
  some values from: primordial germ cell
subclass of: Restriction
  on property: part of
  some values from: testis
has OBO namespace: xenopus_anatomy
has related synonym: primary spermatogonia

spermatocyte
type: Class
subclass of: germ cell
subclass of: Restriction
  on property: develops from
  some values from: secondary spermatogonium
has OBO namespace: xenopus_anatomy
has definition: The developing male gamete.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has db xref: CL:0000017
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000017

secondary spermatogonium
type: Class
subclass of: germ cell
subclass of: Restriction
  on property: develops from
  some values from: primary spermatogonium
has OBO namespace: xenopus_anatomy
has related synonym: secondary spermatogonia

spinal cord neuron
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

Rohon-Beard neuron
type: Class
subclass of: neuron
subclass of: Restriction
  on property: ends during
  some values from: NF stage 55
subclass of: Restriction
  on property: starts during
  some values from: NF stage 33 and 34
subclass of: Restriction
  on property: part of
  some values from: spinal cord
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Type of neuron that is a primary mechanosensory cell, with peripheral neurites innervating the skin with free nerve endings. It first appears in trunk levels at NF stage 33/34, and at NF stage 35/36 has somas that are the largest in the spinal cord. It forms a nearly continuous double row of cells along the cord's medial dorsal surface and contributes ascending and descending axons to the dorsal tract. It appears well back in the tail by NF stage 39, begins to decline at NF stage 50 and is few in number, with pycnotic nuclei, at NF stage 55.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: PMID:17506218
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_17506218
has db xref: CL:0000247
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000247
has related synonym: Rohon Beard cell

neuron
type: Class
subclass of: cell
has OBO namespace: xenopus_anatomy
has db xref: CL:0000540
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000540
has definition: Cell that is the basic unit of nervous tissue, each consisting of a body, an axon, and dendrites, and the purpose of which is to receive, conduct, and transmit impulses in the nervous system.
  type: Definition
  has db xref: CL:0000540
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000540
has related synonym: nerve cell

head
type: Class
subclass of: organism subdivision
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
in subset: organism views
has db xref: ZFA:0001114
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001114
has definition: Organism subdivision that is the part of the body consisting of the cranial and pharyngeal regions.
  type: Definition
  has db xref: ZFA:0001114
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0001114

trunk
type: Class
subclass of: organism subdivision
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
in subset: frequent anatomy items
in subset: organism views
has definition: Organism subdivision that is the part of the body posterior to the head and anterior to the tail.
  type: Definition
  has db xref: ZFA:0001115
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0001115
has db xref: ZFA:0001115
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001115

tail
type: Class
subclass of: organism subdivision
subclass of: Restriction
  on property: ends during
  some values from: NF stage 66
has OBO namespace: xenopus_anatomy
in subset: organism views
has definition: Definition
  label: Organism subdivision that is the terminal, flexible posterior appendage of the larva. It is resorbed during metamorphosis beginning with degeneration of the notochord's distal tip at NF stage 61, followed by degeneration gradually extending to its more proximal regions and reaching its proximal end by NF stage 62. By NF stage 66 it exists only as a small dorsal swelling.
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
  has db xref: OMD:tail
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_tail

limb
type: Class
subclass of: organism subdivision
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Organism subdivision that has as its parts the jointed appendages used for locomotion and manipulation.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

surface structure
type: Class
subclass of: organism subdivision
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000292
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000292
has definition: Organism subdivision that is the collection of anatomical structures on the body surface.
  type: Definition
  has db xref: ZFA:0000292
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0000292

mouth
type: Class
subclass of: Restriction
  on property: part of
  some values from: head
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000547
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000547
has definition: The opening of the head through which food passes into the body.
  type: Definition
  has db xref: NLM:mouth
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_mouth

forelimb
type: Class
subclass of: limb
subclass of: Restriction
  on property: develops from
  some values from: forelimb bud
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: One of the pair of limbs that are situated anteriorly, develop in sacs that separate them from the gill chamber, are well-defined buds by NF stage 48, are innervated by NF stage 51, and are ossified by NF stage 59.
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
  has db xref: BTO:0001729
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0001729
has db xref: AAO:0000202
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000202

hind limb
type: Class
subclass of: limb
subclass of: Restriction
  on property: develops from
  some values from: hind limb bud
has OBO namespace: xenopus_anatomy
has exact synonym: hindlimb
has definition: One of the pair of limbs that are situated posteriorly, are evident as buds laterally by NF stage 47, and are innervated by NF stage 51.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has db xref: AAO:0000217
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000217

digit
type: Class
subclass of: anatomical cluster
has OBO namespace: xenopus_anatomy
has definition: One of several most proximal parts of a limb.
  type: Definition
  has db xref: WIKI:Digit_(anatomy)
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Digit_(anatomy)

nostril
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: part of
  some values from: head
has OBO namespace: xenopus_anatomy
has definition: Surface structure that provides one of the small external openings of the head that give passage to air for breathing.
  type: Definition
  has db xref: OMD:nostril
    type: DbXref
    has URI: http://purl.org/obo/owl/OMD#OMD_nostril

viscus
type: Class
subclass of: Restriction
  on property: part of
  some values from: trunk
has OBO namespace: xenopus_anatomy
has db xref: BTO:0001491
  type: DbXref
  has URI: http://purl.org/obo/owl/BTO#BTO_0001491
has related synonym: viscera
has definition: An internal organ of the body; especially: one (as the heart, liver, or intestine) located in the great cavity of the trunk proper.
  type: Definition
  has db xref: BTO:0001491
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0001491

hind digit
type: Class
subclass of: digit
subclass of: Restriction
  on property: part of
  some values from: hind limb skeleton
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000888
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000888
has definition: A digit that is one of several most proximal parts of a hind limb.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

fore digit
type: Class
subclass of: digit
subclass of: Restriction
  on property: part of
  some values from: forelimb skeleton
has OBO namespace: xenopus_anatomy
has definition: A digit that is one of several most proximal parts of a forelimb.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has db xref: AAO:0000857
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000857

multi-tissue structure
type: Class
subclass of: anatomical structure
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Anatomical structure that has as its parts two or more portions of tissue of at least two different types and which through specific morphogenetic processes forms a single distinct structural unit demarcated by bona-fide boundaries from other distinct structural units of different types.
  has db xref: CARO:0000055
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000055
has db xref: CARO:0000055
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000055

simple organ
type: Class
subclass of: multi-tissue structure
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Multi-tissue structure that is not part of a compound organ.
  type: Definition
  has db xref: CARO:0000021
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000021
has db xref: CARO:0000021
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000021

compound organ component
type: Class
subclass of: multi-tissue structure
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has db xref: CARO:0000019
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000019
has definition: Multi-tissue structure that is part of a compound organ.
  type: Definition
  has db xref: CARO:0000019
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000019

portion of tissue
type: Class
subclass of: anatomical structure
subclass of: Restriction
  on property: part of
  some values from: whole organism
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Anatomical structure that consists of similar cells and intercellular matrix, aggregated according to genetically determined spatial relationships.
  type: Definition
  has db xref: CARO:0000043
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000043
has db xref: CARO:0000043
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000043

compound organ
type: Class
subclass of: anatomical structure
subclass of: Restriction
  on property: ends during
  some values from: death
subclass of: Restriction
  on property: starts during
  some values from: NF stage 21
has OBO namespace: xenopus_anatomy
has db xref: CARO:0000024
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000024
has definition: Definition
  label: Anatomical structure that has as its parts two or more multi-tissue structures of at least two different types and which through specific morphogenetic processes forms a single distinct structural unit demarcated by bona fide boundaries from other distinct anatomical structures of different types.
  has db xref: CARO:0000024
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000024

embryonic structure
type: Class
subclass of: Restriction
  on property: part of
  some values from: whole organism
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
has OBO namespace: xenopus_anatomy
has definition: An anatomical structure that exists only before the organism is fully formed.
  type: Definition
  has db xref: BTO:0000174
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0000174
has db xref: ZFA:0001105
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001105

primordium
type: Class
subclass of: embryonic structure
has OBO namespace: xenopus_anatomy
has definition: An embryonic structure that is the rudiment or commencement of a part or organ.
  type: Definition
  has db xref: BTO:0001886
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0001886

endomesoderm
type: Class
subclass of: primary germ layer
has OBO namespace: xenopus_anatomy
has definition: Primary germ layer that can give rise to both mesoderm and endoderm.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: mesendoderm

epithelium
type: Class
subclass of: portion of tissue
has OBO namespace: xenopus_anatomy
has db xref: CARO:0000066
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000066
has definition: Portion of tissue that consists of one or more layers of epithelial cells connected to each other by cell junctions and that is underlain by a basal lamina.
  type: Definition
  has db xref: CARO:0000066
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000066

mesenchyme
type: Class
subclass of: portion of tissue
has OBO namespace: xenopus_anatomy
has definition: Portion of tissue consisting of loosely organized undifferentiated mesodermal cells that give rise to such structures as connective tissues, blood, lymphatics, bone, and cartilage.
  type: Definition
  has db xref: BTO:0001393
    type: DbXref
    has URI: http://purl.org/obo/owl/BTO#BTO_0001393
has db xref: ZFA:0000393
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000393

nerve
type: Class
subclass of: portion of tissue
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0007009
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0007009
has definition: Portion of tissue that consists of a fasciculated group of axons.
  type: Definition
  has db xref: ZFA:0007009
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0007009

egg
type: Class
subclass of: gamete
subclass of: Restriction
  on property: ends during
  some values from: adult
subclass of: Restriction
  on property: develops from
  some values from: oocyte
has OBO namespace: xenopus_anatomy
has definition: A mature female germ cell that is capable of initiating formation of a new individual by fusion with a male gamete.
  type: Definition
  has db xref: NLM:gamete
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_gamete
has related synonym: unfertilized egg
has db xref: CL:0000025
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000025
has related synonym: ovum

adipose tissue
type: Class
subclass of: portion of tissue
has OBO namespace: xenopus_anatomy
has definition: Connective tissue in which fat is stored.
  type: Definition
  has db xref: NLM:adipose+tissue
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_adipose+tissue

fat body
type: Class
subclass of: adipose tissue
has OBO namespace: xenopus_anatomy

dorsal lateral plate region
type: Class
subclass of: Restriction
  on property: part of
  some values from: hematological system
subclass of: Restriction
  on property: part of
  some values from: lateral plate mesoderm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 13
has OBO namespace: xenopus_anatomy
has related synonym: aorta-gonads-mesonephros region
has related synonym: AGM region
has definition: Region located near the pronephros and pronephric ducts that is a site of hematopoiesis in the embryo.
  type: Definition
  has db xref: PMID:9618755
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_9618755
has exact synonym: DLP

oviduct
type: Class
subclass of: Restriction
  on property: part of
  some values from: female genitalia
subclass of: Restriction
  on property: starts during
  some values from: NF stage 64
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000560
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000560

Keller explant
type: Class
subclass of: anatomical entity in vitro
has OBO namespace: xenopus_anatomy_in_vitro
has definition: A rectangle of dorsal mesendoderm and ectoderm from an early-gastrula-stage Xenopus laevis embryo. It is approximately 60 deg to 90 deg wide, extending from the bottle cells to the animal pole.
  type: Definition
  has db xref: ISBN:9780879695040
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_9780879695040

stem cell
type: Class
subclass of: cell
has OBO namespace: xenopus_anatomy
has db xref: CL:0000034
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000034
has definition: A relatively undifferentiated cell that retains the ability to divide and proliferate throughout life to provide progenitor cells that can differentiate into specialized cells.
  type: Definition
  has db xref: CL:0000034
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000034

hematopoietic stem cell
type: Class
subclass of: stem cell
subclass of: Restriction
  on property: part of
  some values from: dorsal lateral plate region
subclass of: Restriction
  on property: part of
  some values from: blood island
has OBO namespace: xenopus_anatomy
has exact synonym: HSC
has db xref: CL:0000037
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000037

anterior
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim
in subset: sectional anatomy items

posterior
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim
in subset: sectional anatomy items

larval structure
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy

chondrocranium
type: Class
subclass of: cranium
has OBO namespace: xenopus_anatomy
has definition: Structure consisting of a cartilaginous skull that begins to form during early tadpole stage.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has related synonym: cartilaginous skull

skeletal system
type: Class
subclass of: Restriction
  on property: part of
  some values from: musculoskeletal system
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000566
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000566
has definition: Anatomical system that provides physical support to the organism.
  type: Definition
  has db xref: AAO:0000566
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000566

forelimb skeleton
type: Class
subclass of: Restriction
  on property: part of
  some values from: appendicular skeleton
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000202
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000202
has definition: Skeletal structure of the paired, anterior appendages.
  type: Definition
  has db xref: AAO:0000202
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000202

hind limb skeleton
type: Class
subclass of: Restriction
  on property: part of
  some values from: appendicular skeleton
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000217
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000217
has definition: Skeletal structure of the paired, posterior appendages.
  type: Definition
  has db xref: AAO:0000217
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000217

pectoral girdle
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: starts during
  some values from: NF stage 51
subclass of: Restriction
  on property: part of
  some values from: appendicular skeleton
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000422
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000422
has definition: Arched skeletal structure that supports the forelimbs, the rudiments of which can be distinguished in mesenchyme at NF stage 51, and is complete by NF stage 60.
  type: Definition
  has db xref: NLM:pectoral+girdle
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_pectoral+girdle
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has related synonym: shoulder girdle

pelvic girdle
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: appendicular skeleton
subclass of: Restriction
  on property: starts during
  some values from: NF stage 50
has OBO namespace: xenopus_anatomy
has definition: Arched skeletal structure that supports the hind limbs, begins to develop at NF stage 50, and is ossified by NF stage 66.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
  has db xref: NLM:pelvic+girdle
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_pelvic+girdle
has db xref: AAO:0000426
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000426

forelimb bud
type: Class
subclass of: limb bud
subclass of: Restriction
  on property: starts during
  some values from: NF stage 48
has OBO namespace: xenopus_anatomy

hind limb bud
type: Class
subclass of: limb bud
subclass of: Restriction
  on property: starts during
  some values from: NF stage 46
has OBO namespace: xenopus_anatomy

fore epipodium
type: Class
subclass of: Restriction
  on property: part of
  some values from: forelimb
subclass of: Restriction
  on property: part of
  some values from: forelimb skeleton
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000200
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000200
has definition: Segment of the forearm corresponding to the radio-ulna.
  type: Definition
  has db xref: AAO:0000200
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000200

fore mesopodium
type: Class
subclass of: Restriction
  on property: part of
  some values from: forelimb skeleton
subclass of: Restriction
  on property: part of
  some values from: forelimb
has OBO namespace: xenopus_anatomy
has definition: Segment of the forearm corresponding to the carpus.
  type: Definition
  has db xref: AAO:0000201
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000201
has db xref: AAO:0000201
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000201

hind propodium
type: Class
subclass of: Restriction
  on property: part of
  some values from: hind limb skeleton
subclass of: Restriction
  on property: part of
  some values from: hind limb
has OBO namespace: xenopus_anatomy
has definition: Segment of the hind limb corresponding to the femur, which begins to ossify at NF stage 55.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
  has db xref: AAO:0000887
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000887
has db xref: AAO:0000887
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000887

hind metapodium
type: Class
subclass of: Restriction
  on property: part of
  some values from: hind limb skeleton
subclass of: Restriction
  on property: part of
  some values from: hind limb
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000221
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000221
has definition: Segment of the leg corresponding to the metatarsus.
  type: Definition
  has db xref: AAO:0000221
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000221

fore propodium
type: Class
subclass of: Restriction
  on property: part of
  some values from: forelimb skeleton
subclass of: Restriction
  on property: part of
  some values from: forelimb
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000199
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000199
has definition: Segment of the forelimb corresponding to the humerus.
  type: Definition
  has db xref: AAO:0000199
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000199

hind epipodium
type: Class
subclass of: Restriction
  on property: part of
  some values from: hind limb
subclass of: Restriction
  on property: part of
  some values from: hind limb skeleton
has OBO namespace: xenopus_anatomy
has related synonym: foot skeleton
has db xref: AAO:0000216
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000216
has definition: Segment of the hind limb corresponding to the tibia-fibula, which undergoes ossification from NF stage 56 to stage 66.
  type: Definition
  has db xref: AAO:0000216
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000216
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

postcranial axial skeleton
type: Class
subclass of: skeletal system
subclass of: Restriction
  on property: develops from
  some values from: sclerotomal cartilage
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Skeletal structure that has as its parts the vertebral column, located in the dorsal part of the trunk, and formed by a series of vertebrae. It provides suspension for the appendicular skeleton and protection for the spinal nerve cord.
  has db xref: AAO:0000034
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000034
has db xref: AAO:0000034
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000034
has related synonym: axial skeleton

vertebral column
type: Class
subclass of: Restriction
  on property: part of
  some values from: postcranial axial skeleton
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001559
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001559

cranium
type: Class
subclass of: skeletal system
subclass of: Restriction
  on property: part of
  some values from: head
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000109
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000109
has related synonym: cranial skeleton

cervical vertebra
type: Class
subclass of: Restriction
  on property: part of
  some values from: vertebral column
has OBO namespace: xenopus_anatomy

presacral vertebra
type: Class
subclass of: Restriction
  on property: part of
  some values from: vertebral column
has OBO namespace: xenopus_anatomy

sacral vertebra
type: Class
subclass of: Restriction
  on property: part of
  some values from: vertebral column
has OBO namespace: xenopus_anatomy

caudal vertebra
type: Class
subclass of: Restriction
  on property: part of
  some values from: vertebral column
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000326
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000326

urostyle
type: Class
subclass of: Restriction
  on property: part of
  some values from: postcranial axial skeleton
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000158
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000158

larynx
type: Class
subclass of: Restriction
  on property: part of
  some values from: respiratory system
has OBO namespace: xenopus_anatomy

sucker
type: Class
subclass of: ObsoleteClass
has OBO namespace: xenopus_anatomy
consider: cement gland

braincase and otic capsule skeleton
type: Class
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000052
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000052

lower jaw
type: Class
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000272
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000272

Meckel's cartilage
type: Class
subclass of: Restriction
  on property: part of
  some values from: lower jaw
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Paired cartilaginous component of the lower jaw that fuses together through a median inferior labial cartilage, resulting in a single curved bar of cartilage by metamorphic climax. During metamorphosis it is surrounded by the developing dentale and goniale.
  has db xref: PMID:3693112
    type: DbXref
    has URI: http://purl.org/obo/owl/PMID#PMID_3693112
has db xref: AAO:0000289
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000289

suspensorium
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: splanchnocranium
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000596
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000596

upper jaw
type: Class
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000620
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000620

seminiferous tubule
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 55
subclass of: Restriction
  on property: part of
  some values from: testis
has OBO namespace: xenopus_anatomy

cranial nerve
type: Class
subclass of: nerve
subclass of: Restriction
  on property: part of
  some values from: peripheral nervous system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000641
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000641
has definition: Any of the major paired nerves of the head region.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has related synonym: cranial nerves

cranial nerve III
type: Class
subclass of: cephalic nerve
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000405
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000405
has definition: Cranial nerve that runs to the eye muscles.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has related synonym: oculomotor nerve

cranial nerve IV
type: Class
subclass of: cephalic nerve
has OBO namespace: xenopus_anatomy
has related synonym: pathetic nerve
has related synonym: trochlear nerve
has db xref: ZFA:0000600
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000600
has definition: Cranial nerve, also known as the pathetic nerve, that runs to the eye muscles.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

cranial nerve V
type: Class
subclass of: cephalic nerve
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000697
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000697
has related synonym: trigeminal nerve
has definition: Cranial nerve that branches into the ophthalmic (supplying the skin of the nose and upper jaw) and the mandibular (supplying the lower jaw).
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

cranial nerve VI
type: Class
subclass of: cephalic nerve
has OBO namespace: xenopus_anatomy
has related synonym: abducent nerve
has related synonym: abducens nerve
has db xref: ZFA:0000310
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000310
has definition: Cranial nerve, also known as the abducent nerve, that runs to the eye muscles.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

cranial nerve VII
type: Class
subclass of: cephalic nerve
subclass of: Restriction
  on property: part of
  some values from: gustatory system
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Cranial nerve that branches into the supraorbital (supplying the skin of the eye region and the lateral line organs here), the palatine (to the roof of the buccal cavity), and the hyomandibular (dividing into the jugular and mental branches).
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has related synonym: facial nerve
has db xref: ZFA:0000664
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000664

cranial nerve VIII
type: Class
subclass of: cephalic nerve
subclass of: Restriction
  on property: part of
  some values from: vestibuloauditory system
has OBO namespace: xenopus_anatomy
has definition: Cranial nerve that runs to the ear.
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has db xref: ZFA:0000247
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000247
has related synonym: auditory nerve

cranial nerve IX
type: Class
subclass of: cephalic nerve
subclass of: Restriction
  on property: part of
  some values from: gustatory system
has OBO namespace: xenopus_anatomy
has related synonym: glossopharyngeal nerve
has definition: Definition
  label: Cranial nerve that branches into the ramus communicans (to the skin), the pretrematic (to the walls of the pharynx and mouth, viscero-sensory fibers), and the larval post-trematic branch (lost in the adult).
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has db xref: ZFA:0000668
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000668

cranial nerve X
type: Class
subclass of: cranial nerve
subclass of: Restriction
  on property: part of
  some values from: gustatory system
has OBO namespace: xenopus_anatomy
has related synonym: vagus nerve
has definition: Cranial nerve that branches into the lateral (to body sense organs) and the intestino-accessorial (to the skin, muscles of shoulder, hyoid, larynx, gut, lungs, and heart).
  type: Definition
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
has db xref: ZFA:0000453
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000453

cerebellum
type: Class
subclass of: Restriction
  on property: part of
  some values from: hindbrain
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000100
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000100

fourth ventricle
type: Class
subclass of: Restriction
  on property: part of
  some values from: hindbrain
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000110
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000110
has exact synonym: IVth ventricle

medulla oblongata
type: Class
subclass of: Restriction
  on property: part of
  some values from: hindbrain
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000545
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000545

spinal nerve
type: Class
subclass of: nerve
subclass of: Restriction
  on property: part of
  some values from: peripheral nervous system
has OBO namespace: xenopus_anatomy

transverse process
type: Class
subclass of: Restriction
  on property: part of
  some values from: postcranial axial skeleton
has OBO namespace: xenopus_anatomy

claw
type: Class
subclass of: Restriction
  on property: starts during
  some values from: NF stage 58
subclass of: Restriction
  on property: part of
  some values from: hind limb
has OBO namespace: xenopus_anatomy
has definition: Anatomical structure consisting of a small, pointed keratinized appendage at the end of each of the three inner toes of the hind limbs.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

myotome of head somite 1
type: Class
subclass of: myotome
subclass of: Restriction
  on property: ends during
  some values from: NF stage 27
subclass of: Restriction
  on property: develops from
  some values from: head somite 1
has OBO namespace: xenopus_anatomy

myotome of head somite 2
type: Class
subclass of: myotome
subclass of: Restriction
  on property: ends during
  some values from: NF stage 42
subclass of: Restriction
  on property: develops from
  some values from: head somite 2
has OBO namespace: xenopus_anatomy

myotome of head somite 3
type: Class
subclass of: myotome
subclass of: Restriction
  on property: ends during
  some values from: NF stage 44
subclass of: Restriction
  on property: develops from
  some values from: head somite 3
has OBO namespace: xenopus_anatomy

myotome of head somite 4
type: Class
subclass of: myotome
subclass of: Restriction
  on property: ends during
  some values from: NF stage 47
subclass of: Restriction
  on property: develops from
  some values from: head somite 4
has OBO namespace: xenopus_anatomy

myotome of trunk somite 1
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 1
has OBO namespace: xenopus_anatomy

myotome of trunk somite 2
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 2
has OBO namespace: xenopus_anatomy

myotome of trunk somite 3
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 3
has OBO namespace: xenopus_anatomy

myotome of trunk somite 4
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 4
has OBO namespace: xenopus_anatomy

sclerotome of head somite 4
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: head somite 4
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 1
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 1
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 2
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 2
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 3
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 3
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 4
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 4
has OBO namespace: xenopus_anatomy

myotome of trunk somite 5
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 5
has OBO namespace: xenopus_anatomy

myotome of trunk somite 6
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 6
has OBO namespace: xenopus_anatomy

myotome of trunk somite 7
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 7
has OBO namespace: xenopus_anatomy

myotome of trunk somite 8
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 8
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 5
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 5
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 6
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 6
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 7
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 7
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 8
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 8
has OBO namespace: xenopus_anatomy

myotome of trunk somite 9
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 9
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 9
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 9
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 10
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 10
has OBO namespace: xenopus_anatomy

myotome of trunk somite 10
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 10
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 11
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 11
has OBO namespace: xenopus_anatomy

myotome of trunk somite 11
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 11
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 12
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 12
has OBO namespace: xenopus_anatomy

myotome of trunk somite 12
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 12
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 13
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 13
has OBO namespace: xenopus_anatomy

myotome of trunk somite 13
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 13
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 14
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 14
has OBO namespace: xenopus_anatomy

myotome of trunk somite 14
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 14
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 15
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 15
has OBO namespace: xenopus_anatomy

myotome of trunk somite 15
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 15
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 16
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 16
has OBO namespace: xenopus_anatomy

myotome of trunk somite 16
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 16
has OBO namespace: xenopus_anatomy

sclerotome of trunk somite 17
type: Class
subclass of: sclerotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 17
has OBO namespace: xenopus_anatomy

myotome of trunk somite 17
type: Class
subclass of: myotome
subclass of: Restriction
  on property: develops from
  some values from: trunk somite 17
has OBO namespace: xenopus_anatomy

tail somite
type: Class
subclass of: somite
subclass of: Restriction
  on property: part of
  some values from: tail
has OBO namespace: xenopus_anatomy

amphibian papilla
type: Class
subclass of: Restriction
  on property: part of
  some values from: membranous labyrinth
has OBO namespace: xenopus_anatomy

basilar papilla
type: Class
subclass of: Restriction
  on property: part of
  some values from: membranous labyrinth
has OBO namespace: xenopus_anatomy

gonad
type: Class
subclass of: Restriction
  on property: part of
  some values from: trunk
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000413
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000413
has definition: Reproductive organ that produces and releases eggs (ovary) or sperm (testis).
  type: Definition
  has db xref: ZFA:0000413
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0000413

spermatozoon
type: Class
subclass of: gamete
subclass of: Restriction
  on property: develops from
  some values from: spermatid
has OBO namespace: xenopus_anatomy
has db xref: CL:0000019
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000019
has definition: A mature male germ cell that develops from a spermatid.
  type: Definition
  has db xref: CL:0000019
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000019
has related synonym: sperm
has related synonym: spermatozoa

germ line cell
type: Class
subclass of: cell
has OBO namespace: xenopus_anatomy
has db xref: CL:0000039
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000039

primordial germ cell
type: Class
subclass of: germ line cell
subclass of: Restriction
  on property: develops from
  some values from: germ plasm
subclass of: Restriction
  on property: starts during
  some values from: NF stage 40
has OBO namespace: xenopus_anatomy
has exact synonym: PGC
has definition: Definition
  label: Primitive cell type that is involved in the reproduction of the organism beginning with the sexual differentiation of the gonads at NF stage 52. In males specifically, it migrates from the genital ridge cortical region into the medullary tissue, where it forms spermatogonia. In females it is embedded in the cortical region and multiplies as oogonia.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: CL:0000670
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000670
has related synonym: primitive germ cell

gamete
type: Class
subclass of: germ line cell
has OBO namespace: xenopus_anatomy
has definition: A mature male or female germ cell.
  type: Definition
  has db xref: NLM:gamete
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_gamete
has db xref: CL:0000300
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000300

spermatid
type: Class
subclass of: germ cell
subclass of: Restriction
  on property: develops from
  some values from: spermatocyte
has OBO namespace: xenopus_anatomy
has db xref: CL:0000018
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000018

immune system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001159
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001159
has definition: Definition
  label: Anatomical system that protects the body from foreign substances, cells, and tissues by producing the immune response and that includes especially the thymus, spleen, lymphoid tissue, lymphocytes including the B cells and T cells, and antibodies.
  has db xref: NLM:immune+system
    type: DbXref
    has URI: http://purl.org/obo/owl/NLM#NLM_immune+system

larval immune system
type: Class
subclass of: immune system
subclass of: Restriction
  on property: ends during
  some values from: NF stage 66
has OBO namespace: xenopus_anatomy

adult immune system
type: Class
subclass of: immune system
subclass of: Restriction
  on property: starts during
  some values from: adult
has OBO namespace: xenopus_anatomy

lymphocyte
type: Class
subclass of: cell
subclass of: Restriction
  on property: part of
  some values from: immune system
has OBO namespace: xenopus_anatomy
has definition: A cell of the B cell, T cell, or natural killer cell lineage.
  type: Definition
  has db xref: CL:0000542
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000542
has db xref: CL:0000542
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000542

natural killer cell
type: Class
subclass of: lymphocyte
has OBO namespace: xenopus_anatomy
has db xref: CL:0000623
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000623
has exact synonym: NK cell

T cell
type: Class
subclass of: lymphocyte
subclass of: Restriction
  on property: develops from
  some values from: thymocyte
has OBO namespace: xenopus_anatomy
has db xref: CL:0000084
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000084

B cell
type: Class
subclass of: lymphocyte
has OBO namespace: xenopus_anatomy
has db xref: CL:0000236
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000236

thymocyte
type: Class
subclass of: lymphocyte
subclass of: Restriction
  on property: part of
  some values from: thymus
has OBO namespace: xenopus_anatomy

anatomical cluster
type: Class
subclass of: anatomical group
subclass of: Restriction
  on property: ends during
  some values from: death
subclass of: Restriction
  on property: part of
  some values from: whole organism
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
has OBO namespace: xenopus_anatomy
has db xref: CARO:0000041
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000041
has definition: Anatomical group that has its parts adjacent to one another.
  type: Definition
  has db xref: CARO:0000041
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000041

limb bud
type: Class
subclass of: surface structure
subclass of: Restriction
  on property: starts during
  some values from: NF stage 46
has OBO namespace: xenopus_anatomy

acellular anatomical structure
type: Class
subclass of: anatomical structure
subclass of: Restriction
  on property: ends during
  some values from: death
subclass of: Restriction
  on property: starts during
  some values from: NF stage 1
has OBO namespace: xenopus_anatomy
has definition: Anatomical structure that consists of cell parts and cell substances and together does not constitute a cell or a tissue.
  type: Definition
  has db xref: CARO:0000040
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000040
has db xref: CARO:0000040
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000040

basal lamina
type: Class
subclass of: acellular anatomical structure
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Acellular anatomical structure that consists of a thin sheet of fibrous proteins that underlie and support the cells of an epithelium. It separates the cells of an epithelium from any underlying tissue.
  has db xref: CARO:0000065
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000065
has db xref: CARO:0000065
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000065

solid compound organ
type: Class
subclass of: compound organ
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has db xref: CARO:0000074
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000074
has definition: Compound organ that does not contain macroscopic anatomical spaces.
  type: Definition
  has db xref: CARO:0000074
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000074

cavitated compound organ
type: Class
subclass of: compound organ
subclass of: Restriction
  on property: ends during
  some values from: death
has OBO namespace: xenopus_anatomy
has definition: Compound organ that contains one or more macroscopic anatomical spaces.
  type: Definition
  has db xref: CARO:0000072
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000072
has db xref: CARO:0000072
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000072

appendicular skeleton
type: Class
subclass of: skeletal system
has OBO namespace: xenopus_anatomy
has definition: Skeletal structure that has as its parts the pectoral and pelvic girdles, which articulate with the axial skeleton, together with their associated limbs, the forelimbs and hind limbs.
  type: Definition
  has db xref: AAO:0000747
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000747
has db xref: AAO:0000747
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000747

fore metapodium
type: Class
subclass of: Restriction
  on property: part of
  some values from: forelimb skeleton
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000946
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000946
has definition: Segment of the forearm corresponding to the metacarpus.
  type: Definition
  has db xref: AAO:0000946
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000946

hind mesopodium
type: Class
subclass of: Restriction
  on property: part of
  some values from: hind limb skeleton
has OBO namespace: xenopus_anatomy
has db xref: AAO:0000220
  type: DbXref
  has URI: http://purl.org/obo/owl/AAO#AAO_0000220
has definition: Segment of the leg corresponding to the tarsus.
  type: Definition
  has db xref: AAO:0000220
    type: DbXref
    has URI: http://purl.org/obo/owl/AAO#AAO_0000220

dermatocranium
type: Class
subclass of: cranium
has OBO namespace: xenopus_anatomy
has definition: Cranium which consists of dermally derived bones.
  type: Definition
  has db xref: TAO:0000863
    type: DbXref
    has URI: http://purl.org/obo/owl/TAO#TAO_0000863

neurocranium
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy

orbital region
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has definition: Anatomical cluster that is part of the cranium and provides structural support for the eye.
  type: Definition
  has db xref: TAO:0001410
    type: DbXref
    has URI: http://purl.org/obo/owl/TAO#TAO_0001410

olfactory region
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has definition: Anatomical cluster that is located in the anterior region of the cranium and provides structural support for the olfactory organ.
  type: Definition
  has db xref: TAO:0000351
    type: DbXref
    has URI: http://purl.org/obo/owl/TAO#TAO_0000351

occipital region
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has definition: Anatomical cluster that is located in the posterior region of the cranium and forms the margin of the foramen magnum and occipital condyles.
  type: Definition
  has db xref: TAO:0001414
    type: DbXref
    has URI: http://purl.org/obo/owl/TAO#TAO_0001414

sphenoid region
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has definition: Anatomical cluster that forms the floor and side walls of the middle part of the cranium.
  type: Definition
  has db xref: TAO:0000290
    type: DbXref
    has URI: http://purl.org/obo/owl/TAO#TAO_0000290

otic region
type: Class
subclass of: anatomical cluster
subclass of: Restriction
  on property: part of
  some values from: cranium
has OBO namespace: xenopus_anatomy
has definition: Anatomical cluster that is a posterolateral part of the cranium and structurally supports the vestibuloauditory system.
  type: Definition
  has db xref: TAO:0000189
    type: DbXref
    has URI: http://purl.org/obo/owl/TAO#TAO_0000189

splanchnocranium
type: Class
subclass of: cranium
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001216
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001216
has definition: Regional skeletal system of the jaws, hyoid and branchial arches.
  type: Definition
  has db xref: ZFA:0001216
    type: DbXref
    has URI: http://purl.org/obo/owl/ZFA#ZFA_0001216

hyoid arch skeleton
type: Class
subclass of: Restriction
  on property: part of
  some values from: hyoid arch
subclass of: Restriction
  on property: part of
  some values from: splanchnocranium
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001276
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001276

dorsal hyoid arch skeleton
type: Class
subclass of: Restriction
  on property: part of
  some values from: hyoid arch skeleton
has OBO namespace: xenopus_anatomy

ventral hyoid arch skeleton
type: Class
subclass of: Restriction
  on property: part of
  some values from: hyoid arch skeleton
has OBO namespace: xenopus_anatomy

branchial arch skeleton
type: Class
subclass of: Restriction
  on property: part of
  some values from: splanchnocranium
subclass of: Restriction
  on property: part of
  some values from: branchial arch
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000095
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000095

branchial arch skeleton 1
type: Class
subclass of: branchial arch skeleton
subclass of: Restriction
  on property: part of
  some values from: branchial arch 1
has OBO namespace: xenopus_anatomy

branchial arch skeleton 2
type: Class
subclass of: branchial arch skeleton
subclass of: Restriction
  on property: part of
  some values from: branchial arch 2
has OBO namespace: xenopus_anatomy

branchial arch skeleton 3
type: Class
subclass of: branchial arch skeleton
subclass of: Restriction
  on property: part of
  some values from: branchial arch 3
has OBO namespace: xenopus_anatomy

branchial arch skeleton 4
type: Class
subclass of: branchial arch skeleton
subclass of: Restriction
  on property: part of
  some values from: branchial arch 4
has OBO namespace: xenopus_anatomy

anatomical direction
type: Class
subclass of: Xenopus anatomical entity
has OBO namespace: xenopus_anatomy

anatomical region
type: Class
subclass of: Xenopus anatomical entity
has OBO namespace: xenopus_anatomy

medial
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

proximal
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

distal
type: Class
subclass of: anatomical direction
has OBO namespace: xenopus_anatomy
in subset: anatomical site slim

anatomical space
type: Class
subclass of: Xenopus anatomical entity
has OBO namespace: xenopus_anatomy
has definition: Definition
  label: Non-material anatomical entity of three dimensions, that is generated by morphogenetic or other physiologic processes; is surrounded by one or more anatomical structures; contains one or more organism substances or anatomical structures.
  has db xref: CARO:0000005
    type: DbXref
    has URI: http://purl.org/obo/owl/CARO#CARO_0000005
has db xref: CARO:0000005
  type: DbXref
  has URI: http://purl.org/obo/owl/CARO#CARO_0000005

left atrium
type: Class
subclass of: Restriction
  on property: part of
  some values from: heart
has OBO namespace: xenopus_anatomy

right atrium
type: Class
subclass of: Restriction
  on property: part of
  some values from: heart
has OBO namespace: xenopus_anatomy

cardiac ventricle
type: Class
subclass of: Restriction
  on property: part of
  some values from: heart
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000009
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000009

sensory system
type: Class
subclass of: anatomical system
subclass of: Restriction
  on property: ends during
  some values from: death
subclass of: Restriction
  on property: part of
  some values from: nervous system
has OBO namespace: xenopus_anatomy
has definition: A part of the nervous system responsible for processing sensory information.
  type: Definition
  has db xref: WIKI:Sensory_system
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Sensory_system
has db xref: ZFA:0000282
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000282

vestibuloauditory system
type: Class
subclass of: sensory system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001138
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001138
has definition: The sensory system used for balance and hearing.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

olfactory system
type: Class
subclass of: sensory system
has OBO namespace: xenopus_anatomy
has definition: The sensory system used for olfaction (the sense of smell).
  type: Definition
  has db xref: WIKI:Olfactory_system
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Olfactory_system
has db xref: ZFA:0001149
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001149

gustatory system
type: Class
subclass of: sensory system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001101
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001101
has definition: The sensory system used for the sense of taste.
  type: Definition
  has db xref: WIKI:Gustatory_system
    type: DbXref
    has URI: http://purl.org/obo/owl/WIKI#WIKI_Gustatory_system

visual system
type: Class
subclass of: sensory system
has OBO namespace: xenopus_anatomy
has definition: The sensory system used for sight.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has db xref: ZFA:0001127
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001127

lymphatic system
type: Class
subclass of: anatomical system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000385
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000385

gut epithelium
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: part of
  some values from: alimentary system
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0005123
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005123

oral epithelium
type: Class
subclass of: epithelium
subclass of: Restriction
  on property: part of
  some values from: mouth
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0000816
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0000816

pharyngeal epithelium
type: Class
subclass of: epithelium
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001174
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001174

dental epithelium
type: Class
subclass of: epithelium
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0005134
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0005134

neural tube
type: Class
subclass of: embryonic structure
has OBO namespace: xenopus_anatomy
has db xref: ZFA:0001135
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFA#ZFA_0001135

chondrocyte
type: Class
subclass of: cell
subclass of: Restriction
  on property: part of
  some values from: cartilage
has OBO namespace: xenopus_anatomy
has definition: Polymorphic cell type that forms cartilage.
  type: Definition
  has db xref: CL:0000138
    type: DbXref
    has URI: http://purl.org/obo/owl/CL#CL_0000138
has db xref: CL:0000138
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000138

podocyte
type: Class
subclass of: cell
subclass of: Restriction
  on property: part of
  some values from: glomus
has OBO namespace: xenopus_anatomy
has definition: Cell type that is a component of the glomus.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator
has db xref: CL:0000653
  type: DbXref
  has URI: http://purl.org/obo/owl/CL#CL_0000653

Xenopus developmental stage
type: Class
has OBO namespace: xenopus_developmental_stage

NF stage 1
type: Class
subclass of: embryonic stage
has OBO namespace: xenopus_developmental_stage
has related synonym: zygote
has definition: Nieuwkoop and Faber stage 1; age 0 hr; corresponding to the following external morphological criteria: One cell stage, shortly after fertilization. Pigmentation darker ventrally than dorsally.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: ZFS:0000001
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFS#ZFS_0000001

early tailbud
type: Class
subclass of: tailbud stage
has OBO namespace: xenopus_developmental_stage
has definition: The stages from Nieuwkoop and Faber stage 22 to stage 28.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

blastula
type: Class
subclass of: embryonic stage
has OBO namespace: xenopus_developmental_stage
has definition: The stages from 64-cell embryo to Nieuwkoop and Faber stage 9, during which the solid morula acquires an internal cavity.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

cleavage
type: Class
subclass of: embryonic stage
has OBO namespace: xenopus_developmental_stage
has definition: The stages from 2-cell to 64-cell embryo, during which the zygote undergoes synchronous divisions into 2, 4, 8, 16, etc. blastomeres.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

gastrula
type: Class
subclass of: embryonic stage
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: The stages from Nieuwkoop and Faber stage 10 to stage 12.5, during which gastrulation takes place, with a proportion of cells migrating below the surface of the embryo to form two inner layers (endoderm and mesoderm) and the cells which remain outside spreading over the whole surface of the embryo to form the ectoderm.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

neurula
type: Class
subclass of: embryonic stage
has OBO namespace: xenopus_developmental_stage
has definition: The stages from Nieuwkoop and Faber stage 13 to stage 21, during which the future nervous system appears as a thickened plate in dorsal ectoderm, the plate then rolling up at its sides to form a tube.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627

tailbud stage
type: Class
subclass of: embryonic stage
has OBO namespace: xenopus_developmental_stage
has definition: Any of the developmental stages from Nieuwkoop and Faber stage 20 to stage 44 (feeding), including the beginning of hatching (NF stage 35/36).
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

tadpole
type: Class
subclass of: Xenopus developmental stage
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: The stages from feeding to the end of metamorphosis. Encompasses Weisz's first-form tadpole (equivalent to NF stages 45 to 49), second-form tadpole (NF 49 to 56) and third-form tadpole (NF 56 to 60-plus) stages.
  has db xref: ISBN:0471209627
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0471209627
  has db xref: ISSN:0003-276X
    type: DbXref
    has URI: http://purl.org/obo/owl/ISSN#ISSN_0003-276X
has related synonym: larva

adult
type: Class
subclass of: Xenopus developmental stage
has OBO namespace: xenopus_developmental_stage
has definition: The stage of being a fully formed animal, following Nieuwkoop and Faber stage 66.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

juvenile
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 66
subclass of: Restriction
  on property: part of
  some values from: adult
has OBO namespace: xenopus_developmental_stage
has definition: The stage of being a sexually immature adult animal.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

NF stage 2 (2-cell)
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 2-
subclass of: Restriction
  on property: part of
  some values from: cleavage
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 2; age 1 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Advanced two cell stage. First cleavage groove has reached vegetal pole. Ventral side of blastomeres darker than dorsal side.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: ZFS:0000002
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFS#ZFS_0000002
has exact synonym: 2-cell stage

embryonic stage
type: Class
subclass of: Xenopus developmental stage
has OBO namespace: xenopus_developmental_stage
has definition: Any of the developmental stages from fertilization to feeding.
  type: Definition
  has db xref: XB:curator
    type: DbXref
    has URI: http://purl.org/obo/owl/XB#XB_curator

NF stage 3 (4-cell)
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 2 (2-cell)
subclass of: Restriction
  on property: part of
  some values from: cleavage
has OBO namespace: xenopus_developmental_stage
has db xref: ZFS:0000003
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFS#ZFS_0000003
has definition: Definition
  label: Nieuwkoop and Faber stage 3; age 2 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Advanced four-cell stage. Second cleavage groove has reached vegetal pole. In animal view dorsal blastomeres usually smaller than ventral ones; the latter darker than the former.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has exact synonym: 4-cell stage

NF stage 4 (8-cell)
type: Class
subclass of: Restriction
  on property: part of
  some values from: cleavage
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 3 (4-cell)
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 4; age 2 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Advanced eight cell stage. Dorsal micro- and macromeres usually smaller than ventral ones; dorsal micromeres less pigmented than ventral ones.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: ZFS:0000004
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFS#ZFS_0000004
has exact synonym: 8-cell stage

NF stage 5 (16-cell)
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 4 (8-cell)
subclass of: Restriction
  on property: part of
  some values from: cleavage
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 5; age 2 hr 45 min at 22-24 Celsius; corresponding to the following external morphological criteria: Advanced sixteen cell stage. Dorsal micromeres distinctly smaller and less pigmented than ventral ones. Macromeres entirely separated by cleavage grooves.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has exact synonym: 16-cell stage
has db xref: ZFS:0000005
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFS#ZFS_0000005

NF stage 6 (32-cell)
type: Class
subclass of: Restriction
  on property: part of
  some values from: cleavage
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 5 (16-cell)
has OBO namespace: xenopus_developmental_stage
has db xref: ZFS:0000006
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFS#ZFS_0000006
has exact synonym: 32-cell stage
has definition: Definition
  label: Nieuwkoop and Faber stage 6; age 3 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Advanced thirty-two cell stage. Distinction between dorsal and ventral micromeres as in preceding stage.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 7
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 6.5
subclass of: Restriction
  on property: part of
  some values from: blastula
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 7, 64-cell embryo; age 4 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Large-cell blastula stage. In animal view about 10 micromeres along meridian.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has db xref: ZFS:0000007
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFS#ZFS_0000007
has exact synonym: 64-cell stage

NF stage 8
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 7
subclass of: Restriction
  on property: part of
  some values from: blastula
has OBO namespace: xenopus_developmental_stage
has exact synonym: 128-cell stage
has db xref: ZFS:0000008
  type: DbXref
  has URI: http://purl.org/obo/owl/ZFS#ZFS_0000008
has definition: Definition
  label: Nieuwkoop and Faber stage 8, 128-cell embryo; age 5 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Medium-cell blastula stage. Surface not yet entirely smooth. Border of animal pigment cap more diffuse at dorsal than at lateral and ventral sides. Gradual transition in cell size from animal to vegetative pole.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 9
type: Class
subclass of: Restriction
  on property: part of
  some values from: blastula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 8
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 9; age 7 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Fine-cell blastula stage. Animal cells smaller at dorsal than at ventral side. Border between marginal zone and vegetative field distinct, particularly dorsally, owing to difference in cell size.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 10
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 9
subclass of: Restriction
  on property: part of
  some values from: gastrula
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 10; age 9 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Initial gastrula stage. First indication of blastopore only by pigment concentration. No formation of groove.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 11
type: Class
subclass of: Restriction
  on property: part of
  some values from: gastrula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 10.5
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 11; age 11 hr 45 min at 22-24 Celsius; corresponding to the following external morphological criteria: Horse-shoe-shaped blastopore stage. Blastopore groove surrounding about half of future yolk plug and indicated at its ventral side; future yolk plug often rounded rectangular, slightly elongated in dorso-ventral direction, diameter more than two-fifths of diameter of egg (plus or minus 50 degrees of circumference).
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 12
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 11.5
subclass of: Restriction
  on property: part of
  some values from: gastrula
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 12; age 13 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Medium yolk plug stage. Yolk plug circular; diameter somewhat less than one fourth of diameter of egg (plus or minus 25 degrees). More and less pigmented fields radiating from yolk plug.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 13
type: Class
subclass of: Restriction
  on property: part of
  some values from: neurula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 12.5
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 13; age 14 hr 45 min at 22-24 Celsius; corresponding to the following external morphological criteria: Slit-blastopore stage. Neural plate faintly delimited; slight elevation of its rostral part and slight flattening of its caudal part. Caudal part of median groove formed.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 14
type: Class
subclass of: Restriction
  on property: part of
  some values from: neurula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 13
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 14; age 16 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Neural plate stage. Cerebral part of neural plate bent downwards, with median elevation at rostral end of median groove. Initial elevation of neural folds, most pronounced in future nucal region. Blastopore always slit-shaped.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 15
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 14
subclass of: Restriction
  on property: part of
  some values from: neurula
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 15; age 17 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Early neural fold stage. Presumptive cement gland faintly circumscribed. Anterior part of neural plate roundish. Neural folds distinct, except medio-rostrally; initial formation of sharp inner ridges on neural folds in rhombencephalic region.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 16
type: Class
subclass of: Restriction
  on property: part of
  some values from: neurula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 15
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 16; age 18 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Mid neural fold stage. Anterior part of neural plate rectangular; darkly pigmented eye anlagen present; neural plate sharply constricted in the middle. Inner ridges on neural folds forming angle of about 90 degrees with neural plate in rhombencephalic region.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 17
type: Class
subclass of: Restriction
  on property: part of
  some values from: neurula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 16
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 17; age 18 hr 45 min at 22-24 Celsius; corresponding to the following external morphological criteria: Late neural fold stage. Anterior part of neural plate oblong triangular, angles formed by eye anlagen. Neural folds approaching each other from blastopore up to anterior trunk region.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 2-
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 1
subclass of: Restriction
  on property: part of
  some values from: cleavage
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 2-; age 1 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Beginning of first cleavage. First cleavage groove has not yet reached vegetal pole.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 6.5
type: Class
subclass of: Restriction
  on property: part of
  some values from: cleavage
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 6 (32-cell)
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 6.5; age 3 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Morula stage. About 48 blastomeres. In animal view about 6 micromeres along meridian.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960
has related synonym: morula
  type: Synonym
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 10.25
type: Class
subclass of: Restriction
  on property: part of
  some values from: gastrula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 10
has OBO namespace: xenopus_developmental_stage
has exact synonym: NF stage 10+
has definition: Definition
  label: Nieuwkoop and Faber stage 10.25; age 10 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Early gastrula stage. First formation of dorsal blastopore groove; groove still straight.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 10.5
type: Class
subclass of: Restriction
  on property: part of
  some values from: gastrula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 10.25
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 10.5; age 11 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Crescent-shaped blastopore stage. Blastopore groove angular. Vegetal field slightly decreased in size, ventral border of future yolk plug indicated by pigment contraction.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 11.5
type: Class
subclass of: Restriction
  on property: part of
  some values from: gastrula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 11
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 11.5; age 12 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Large yolk plug stage. Blastopore groove closed ventrally; yolk plug not yet quite circular. At ventral side concentrated superficial pigment still visible. Diameter of yolk plug about a third of diameter of egg (plus or minus 40 degrees).
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 12.5
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 12
subclass of: Restriction
  on property: part of
  some values from: gastrula
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 12.5; age 14 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Small yolk plug stage. Future position of neural plate and median groove indicated by darker pigment lines. Yolk plug usually ovoid, variable in size.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 18
type: Class
subclass of: Restriction
  on property: part of
  some values from: neurula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 17
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 18; age 19 hr 45 min at 22-24 Celsius; corresponding to the following external morphological criteria: Neural groove stage. Anterior part of neural plate narrow, more or less club-shaped, often narrower towards rostral end. Parallel neural folds in trunk region very close to each other, not yet touching.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 19
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 18
subclass of: Restriction
  on property: part of
  some values from: neurula
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 19; age 20 hr 45 min at 22-24 Celsius; corresponding to the following external morphological criteria: Initial neural tube stage. Neural folds touching each other, except for inconstant openings at anterior and posterior end and behind nucal region. Considerable lateral extension of brain. Lateral outline of embryo still convex.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 20
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 19
subclass of: Restriction
  on property: part of
  some values from: neurula
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 20; age 21 hr 45 min at 22-24 Celsius; corresponding to the following external morphological criteria: Neural folds fused, suture still present. The two eye anlagen showing through dumb-bell-shaped, eyes hardly protruding. Beginning of stretching of embryos. Lateral outline flat.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 21
type: Class
subclass of: Restriction
  on property: part of
  some values from: neurula
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 20
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 21; age 22 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Suture of neural tube completely closed. Delimitation of frontal field by pigment lines. Primary eye vesicles showing through in the form of two separate, obliquely placed oval spots; beginning of protrusion of eyes. Lateral outline of embryo just becoming concave, ventral outline flat.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 22
type: Class
subclass of: Restriction
  on property: part of
  some values from: early tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 21
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 22; age 24 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Distinct protrusion of eyes. Initial groove between jaw- and gill-areas only at latero-dorsal side. Lateral and ventral outlines of embryo slightly concave. Anal opening displaced to ventral side. Vitelline membrane becoming wider.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 23
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 22
subclass of: Restriction
  on property: part of
  some values from: early tailbud
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 23; age 1 day, 45 min at 22-24 Celsius; corresponding to the following external morphological criteria: Jaw- and gill-areas completely separated by groove. Ventral outline of embryo more concave.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 24
type: Class
subclass of: Restriction
  on property: part of
  some values from: early tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 23
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 24; age 1 day, 2 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Eyes protruding less far laterally than gill-area. Gill-area more prominent than jaw-area, gill-area not yet grooved. Ventral outline of embryo nicked. Tail bud discernible. Initial motor reactions to external stimulation.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 25
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 24
subclass of: Restriction
  on property: part of
  some values from: early tailbud
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 25; age 1 day, 3 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Eyes protruding equally far or further laterally than gill-area. Gill-area grooved. Invagination of otic vesicle indicated by pigment spot. Beginning of fin formation.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 26
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 25
subclass of: Restriction
  on property: part of
  some values from: early tailbud
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 26; age 1 day, 5 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: otic vesicle protruding. Pronephros distinctly visible. Myotomes showing through for the first time. Fin somewhat broadened at dorso-caudal end of body. Beginning of spontaneous movements.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 27
type: Class
subclass of: Restriction
  on property: part of
  some values from: early tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 26
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 27; age 1 day, 7 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Lateral flattening of eyes. Fin transluscent, except for region behind anus. Tail bud formation accentuated in lateral outline.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 28
type: Class
subclass of: Restriction
  on property: part of
  some values from: early tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 27
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 28; age 1 day, 8 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Fin extending up to anus. Fin broadened and distinctly divided into outer transparent and inner translucent band.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 29 and 30
type: Class
subclass of: Restriction
  on property: part of
  some values from: late tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 28
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 29 and 30; age 1 day, 11 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Gray eye cup showing through for the first time. Fin transparent up to the base over its whole length. Tail bud distinct.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 31
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 29 and 30
subclass of: Restriction
  on property: part of
  some values from: late tailbud
has OBO namespace: xenopus_developmental_stage
has definition: Nieuwkoop and Faber stage 31; age 1 day, 13 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Tail bud equally long as broad.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 32
type: Class
subclass of: Restriction
  on property: part of
  some values from: late tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 31
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 32; age 1 day, 16 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Eye cup horse-shoe-shaped, standing out distinctly. Length of tail bud about 1.5 times its breadth.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 33 and 34
type: Class
subclass of: Restriction
  on property: part of
  some values from: late tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 32
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 33 and 34; age 1 day, 20 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Stomodeal invagination a shallow vertical groove. Dorsal part of eye more pigmented than ventral part; distinct melanophores in dorsal part. Melanophores appearing dorsally on the head and laterally in a row extending from just below the pronephros backwards. Length of tail bud about twice its breadth. Beginning of heart beat.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 35 and 36
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 33 and 34
subclass of: Restriction
  on property: part of
  some values from: late tailbud
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 35 and 36; age 2 days, 2 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Stomodeal invagination roundish. Eye entirely black, choroid fissure nearly closed. Formation of two gill rudiments, anterior one nipple-shaped. Melanophores appearing on back. Posterior outline of proctodeum still curved. Length of tail bud about three times its breadth. Beginning of hatching.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 37 and 38
type: Class
subclass of: Restriction
  on property: part of
  some values from: late tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 35 and 36
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 37 and 38; age 2 days, 5 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Stomodeal invagination much deeper, opening round. Both gill rudiments nipple-shaped, a branch of the anterior one indicated. Posterior outline of proctodeum straight, forming very obtuse angle with ventral border of tail myotomes. Melanophores spreading over tail.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 39
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 37 and 38
subclass of: Restriction
  on property: part of
  some values from: late tailbud
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 39; age 2 days, 8 hr 30 min at 22-24 Celsius; corresponding to the following external morphological criteria: Melanophores appearing around nasal pits. Opening of stomodeal invagination transversely elongated. Melanophores on back arranged in a superficial and a deeper layer. Outlines of proctodeum and tail myotomes forming angle of about 135 degrees. Melanophores appearing along ventral edge of tail musculature.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 40
type: Class
subclass of: Restriction
  on property: part of
  some values from: late tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 39
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 40; age 2 days, 18 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Mouth broken through. Length of gills about twice their breadth, posterior one sometimes also showing a branch. Outlines of proctodeum and tail myotomes forming angles of 90 degrees. Beginning of blood circulation in gills.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 41
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 40
subclass of: Restriction
  on property: part of
  some values from: late tailbud
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 41; age 3 days, 4 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Gills broader and flatter, more laterally directed. Formation of a left-rostral and a right-caudal furrow in yolk mass; torsion of interjacent part about 45 degrees; formation of conical proctodeum, forming angle of about 60 degrees with tail myotomes. Formation of fin rostral to proctodeum; ventral outline of yolk mass and proctodeum a smooth concave line.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 42
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 41
subclass of: Restriction
  on property: part of
  some values from: late tailbud
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 42; age 3 days, 8 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Beginning of formation of opercular folds. Torsion of intestine about 90 degrees; proctodeum connected with yolk mass by short horizontal intestinal tube.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 43
type: Class
subclass of: Restriction
  on property: part of
  some values from: late tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 42
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 43; age 3 days, 15 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Lateral line system becoming visible externally. Cement gland losing its pigment. Torsion of intestine about 180 degrees; proctodeum narrower, arched or S-shaped.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 44
type: Class
subclass of: Restriction
  on property: part of
  some values from: late tailbud
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 43
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 44; age 3 days, 20 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Appearance of tentacle rudiments. Opercular folds protruding further. Coiling part of intestine showing S-shaped loop; torsion about 360 degrees. Blood-circulation in gills usually ceased (gills smaller).
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 45
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 44
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 45; age 4 days, 2 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Operculum partly covering gills, edge still straight. Intestine spiralized in ventral aspects, showing 1.5 revolutions. Beginning of feeding.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 46
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 45
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 46; age 4 days, 10 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Edge of operculum becoming convex. Xantophores appearing on eye and abdomen. Intestine showing 2 to 2.5 revolutions. Hindlimb bud visible for the first time.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 47
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 46
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 47; age 5 days, 12 hr at 22-24 Celsius; corresponding to the following external morphological criteria: Tentacles larger. Edge of operculum forming quarter of a circle. Xantophores forming opaque layer on abdomen. Intestine showing 2.5 to 3.5 revolutions. Hindlimb bud more distinct.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 48
type: Class
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 47
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 48; age 7.5 days at 22-24 Celsius; corresponding to the following external morphological criteria: Beginning of pigmentation around n. acusticus. Forelimb bud visible for the first time. Shining gold-coloured abdomen. Hindlimb bud semicircular in lateral aspect.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 49
type: Class
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 48
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 49; age about 12 days at 22-24 Celsius; corresponding to the following external morphological criteria: Melanophores usually appearing around thymus gland and nerves and blood vessels of head; xantophores appearing on pericard. Forelimb bud distinct. Hindlimb bud somewhat longer, distal outline still circular, no constrictions at base. Melanophores appearing on dorsal and ventral fin.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 50
type: Class
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 49
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 50; age about 15 days at 22-24 Celsius; corresponding to the following external morphological criteria: Forelimb bud somewhat oval-shaped in dorsal aspect. Hindlimb bud longer than broad, constricted at base, distal outline somewhat conical.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 51
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 50
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 51; age about 17 days at 22-24 Celsius; corresponding to the following external morphological criteria: Tentacles much longer. Forelimb bud oval-shaped in lateral aspect. Hindlimb bud conical in shape, its length about 1.5 times its breadth; melanophores appearing on it.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 52
type: Class
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 51
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 52; age about 21 days at 22-24 Celsius; corresponding to the following external morphological criteria: Forelimb bud irregularly conical. Hindlimb bud showing first indication of ankle constriction and first sign of flattening of foot.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 53
type: Class
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 52
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 53; age about 24 days at 22-24 Celsius; corresponding to the following external morphological criteria: Fore- and hindlimbs in paddle stage. Hindlimb whithout foot somewhat longer than broad; 4th and 5th toe indicated.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 54
type: Class
subclass of: Restriction
  on property: part of
  some values from: premetamorphosis
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 53
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 54; age about 26 days at 22-24 Celsius; corresponding to the following external morphological criteria: All four fingers indicated; edge of hand slightly scalloped between fingers; melanophores appearing on forelimb. Length of hindlimb without foot nearly twice its breadth; all five toes indicated, the second only very slightly.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 55
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 54
subclass of: Restriction
  on property: part of
  some values from: prometamorphosis
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 55; age about 32 days at 22-24 Celsius; corresponding to the following external morphological criteria: Hand pronated about 90 degrees; free parts of fingers about equally long as broad. Length of hindlimb without foot about 3 times its breadth; length of cartilages of 4th and 5th toe about 4 times their breadth.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 56
type: Class
subclass of: Restriction
  on property: part of
  some values from: prometamorphosis
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 55
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 56; age about 38 days at 22-24 Celsius; corresponding to the following external morphological criteria: Elbow and wrist clearly indicated; length of free parts of fingers 3 to 4 times their breadth. Length of cartilages of 4th and 5th toe about 6 times their breadth.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 57
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 56
subclass of: Restriction
  on property: part of
  some values from: prometamorphosis
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 57; age about 41 days at 22-24 Celsius; corresponding to the following external morphological criteria: Pigment-free spot appearing above "Stirnorgan". Angle of elbow more than 90 degrees; fingers stretched out in forelimb atrium, their length about 7 times their breadth.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 58
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 57
subclass of: Restriction
  on property: part of
  some values from: climax
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 58; age about 44 days at 22-24 Celsius; corresponding to the following external morphological criteria: Forelimbs broken through. Guanophores appearing on abdomen and thighs (adult skin areas). All three claws present on hindlimbs.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 59
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 58
subclass of: Restriction
  on property: part of
  some values from: climax
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 59; age about 45 days at 22-24 Celsius; corresponding to the following external morphological criteria: Tentacles beginning to shrivel up. Stretched forelimb reaching down to base of hindlimb. Guanophores appearing near base of forelimb (adult skin area); anterior border of adult skin area on abdomen not yet sharp; appearance of irregular dark spots on back.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 60
type: Class
subclass of: Restriction
  on property: part of
  some values from: climax
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 59
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 60; age about 46 days at 22-24 Celsius; corresponding to the following external morphological criteria: N. olfactorius still longer than bulbus olfactorius. Guanophores appearing on lower jaw (adult skin area). Openings of gill chambers still wide. Distal half of fingers of stretched forelimb extending beyond base of hindlimb; forelimb still situated behind level of heart. Adult skin area of base of forelimb covered with guanophores; anterior border of adult skin area on abdomen sharper, reaching up to heart.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 61
type: Class
subclass of: Restriction
  on property: part of
  some values from: climax
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 60
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 61; age about 48 days at 22-24 Celsius; corresponding to the following external morphological criteria: Head narrower. Tentacles considerably shortened, mostly curved backwards. Length of n. olfactorius equal to diameter of bulbus olfactorius. 4th arterial arch seen just in front of adult skin area of forelimb. Openings of gill chambers considerably narrowed. Forelimb at level of posterior half of heart. Adult skin area on abdomen covering posterior half of heart. Fins considerably reduced.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 62
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 61
subclass of: Restriction
  on property: part of
  some values from: climax
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 62; age about 49 days at 22-24 Celsius; corresponding to the following external morphological criteria: Head still somewhat broader than cranial part of trunk. Tentacles short, straight. N. olfactorius shorter than diameter of bulbus olfactorius. Corner of mouth still in front of eye. Thymus gland somewhat protruding. 3rd arterial arch ("larval aorta") seen at distance of its own diameter in front of adult skin area of forelimb. Opening of operculum reduced to curved slit. Forelimb at level of middle of heart. Anterior border of adult skin area on abdomen entirely sharp, mostly nicked medially. Ventral fin disappeared from abdomen.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 63
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 62
subclass of: Restriction
  on property: part of
  some values from: climax
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 63; age about 51 days at 22-24 Celsius; corresponding to the following external morphological criteria: Head narrower than trunk. Tentacles mostly disappeared. Corner of mouth at level of caudal border of eye. "Larval aorta" and thymus gland no longer externally visible. Operculum closed. Adult skin areas on abdomen and lower jaw separated by narrow band of larval skin. Forelimb at level of anterior half of heart. Fin mostly perforated near anus. Tail still slightly longer than body.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 64
type: Class
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 63
subclass of: Restriction
  on property: part of
  some values from: climax
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 64; age about 53 days at 22-24 Celsius; corresponding to the following external morphological criteria: Corner of mouth well behind eye. Various adult skin areas joined almost everywhere, borderlines still clearly visible. Length of tail (from anus) is a third of body length.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 65
type: Class
subclass of: Restriction
  on property: part of
  some values from: climax
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 64
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 65; age about 54 days at 22-24 Celsius; corresponding to the following external morphological criteria: Borderlines between adult skin areas partly disappeared. Tail oblong triangular in dorsal aspect, length abouth one tenth of body length.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

NF stage 66
type: Class
subclass of: Restriction
  on property: part of
  some values from: climax
subclass of: Restriction
  on property: preceded by
  some values from: NF stage 65
has OBO namespace: xenopus_developmental_stage
has definition: Definition
  label: Nieuwkoop and Faber stage 66; age about 58 days at 22-24 Celsius; corresponding to the following external morphological criteria: Border lines between adult skin areas disappeared. Tail only a very small triangle, no longer visible from ventral side.
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

metamorphosing tadpole
type: Class
subclass of: Restriction
  on property: part of
  some values from: tadpole
has OBO namespace: xenopus_developmental_stage
has definition: The stages from Nieuwkoop and Faber stage 54 to stage 66.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

late tailbud
type: Class
subclass of: tailbud stage
has OBO namespace: xenopus_developmental_stage
has definition: The stages from Nieuwkoop and Faber stage 29/30 to stage 44.
  type: Definition
  has db xref: ISBN:0815318960
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0815318960

unspecified stage
type: Class
subclass of: Xenopus developmental stage
comment: If an anatomical term has a starts_during or ends_during relationship to this stage term, this information is either unknown or has not yet been curated.
has OBO namespace: xenopus_developmental_stage

unfertilized egg
type: Class
subclass of: Xenopus developmental stage
has OBO namespace: xenopus_developmental_stage

premetamorphosis
type: Class
subclass of: Restriction
  on property: part of
  some values from: tadpole
has OBO namespace: xenopus_developmental_stage
has definition: The period during which limb bud growth occurs, covering Nieuwkoop and Faber stage 45 to stage 54.
  type: Definition
  has db xref: ISBN:0124554032
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0124554032

prometamorphosis
type: Class
subclass of: Restriction
  on property: part of
  some values from: metamorphosing tadpole
has OBO namespace: xenopus_developmental_stage
has definition: The period during which toe differentiation and rapid hind limb growth continue, covering Nieuwkoop and Faber stage 55 to stage 57.
  type: Definition
  has db xref: ISBN:0124554032
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0124554032

climax
type: Class
subclass of: Restriction
  on property: part of
  some values from: metamorphosing tadpole
has OBO namespace: xenopus_developmental_stage
has definition: The period during which tail resorption occurs, covering Nieuwkoop and Faber stage 58 to stage 66.
  type: Definition
  has db xref: ISBN:0124554032
    type: DbXref
    has URI: http://purl.org/obo/owl/ISBN#ISBN_0124554032

anatomical site slim
type: NamedIndividual
type: Subset
comment: Anatomical Site slim

frequent anatomy items
type: NamedIndividual
type: Subset
comment: Frequently Used Anatomy slim

organism views
type: NamedIndividual
type: Subset
comment: Organism View slim

sectional anatomy items
type: NamedIndividual
type: Subset
comment: Sectional Anatomy Item slim