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cloacal membrane

^ http://purl.obolibrary.org/obo/UBERON_0006217

The membrane that covers the embryonic cloaca, formed by the union of proctodeal (anal pit) ectoderm and cloacal endoderm, with no intervening mesoderm; the urorectal septum joins the cloacal membrane and divides it into an anal membrane and a urogenital membrane; the point where the urorectal septum intersects the cloacal membrane is the future site of the perineal body; proliferation of mesoderm and ectoderm around the cloacal membrane produces primordial tissues of the external genitalia in both sexes: the genital tubercle, genital folds, and genital swellings. [ MP:anna MP:0011837 http://en.wikipedia.org/wiki/Cloacal_membrane ]

Synonyms: embryonic cloacal membrane

Term info

database cross reference
Subsets

pheno_slim, emapa_ehdaa2

UBPROP 0000001

A membrane that separates the proctodeum and the hindgut in the early embryo. [Evolution, Fourth_Edition_(2006)_McGraw-Hill, Function, Vertebrates:_Comparative_Anatomy, p.497, see_Kardong_KV][VHOG]

UBPROP 0000003

In mammals, the cloaca exists as an embryonic structure that undergoes septation to become distinct urethral, anal, and genital orifices.[well established][VHOG]

depicted by

http://upload.wikimedia.org/wikipedia/commons/d/d2/Gray991.png

has related synonym

membrana cloacalis

id

UBERON:0006217

prefLabel

cloacal membrane