part_of
part of
part of
only in taxon
only_in_taxon
Vertebrata <Metazoa>
Vertebrata <vertebrates>
cloaca
uberon
SCTID:362857006
Common chamber into which the intestines and excretory system opens. Arises during development in all vertebrates, but in many it becomes subdivided, lost or incorporated into other structures.
UBERON:0000162
vent
VHOG:0001186
Anatomical structure which is the common receptacle for the alimentary canal, Wolffian ducts, oviducts, and the bladder.[AAO]
SCTID:370631000
hindgut endoderm and proctodeal ectoderm.
Wikipedia:Cloaca
A cloaca is apparently a primitive vertebrate feature because it occurs in most primitive gnathostomes and persists in the embryos of almost all vertebrates.[well established][VHOG]
Human beings only have an embryonic cloaca, which is split up into separate tracts during the development of the urinary and reproductive organs
UMLS:C0008987
MESH:D002988
GAID:1206
cloacal chamber
AAO:0000095
XAO:0000244
A common passage for fecal, urinary, and reproductive discharge in most lower vertebrates as well as the terminal end of the hindgut before division into rectum, bladder, and genital primordia in mammalian embryos. [TFD][VHOG]
cloacal
adding df link to embryonic cloaca leads to a cycle in uberon-simple, as cloaca is a suberclass of embryonic cloaca
NCIT:C34127
ZFA:0005781
digestive tract
genitourinary system
subdivision of tube