NLM Logo

Cloaca MeSH Descriptor Data 2025


MeSH Heading
Cloaca
Tree Number(s)
A13.223
A16.178
Unique ID
D002988
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D002988
Scope Note
A dilated cavity extended caudally from the hindgut. In adult birds, reptiles, amphibians, and many fishes but few mammals, cloaca is a common chamber into which the digestive, urinary and reproductive tracts discharge their contents. In most mammals, cloaca gives rise to LARGE INTESTINE; URINARY BLADDER; and GENITALIA.
NLM Classification #
WJ 101
Previous Indexing
Rectum (1966-1967)
Public MeSH Note
68
History Note
68
Date Established
1968/01/01
Date of Entry
1999/01/01
Revision Date
2007/07/09
Cloaca Preferred
page delivered in 0.151s