Terminology Service for NFDI4Health
allantois
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http://purl.obolibrary.org/obo/UBERON_0004340
A membranous sac that develops from the posterior part of the alimentary canal in the embryos of mammals, birds, and reptiles, and it is important in the formation of the umbilical cord and placenta in mammals[VHOG]. [ http://en.wikipedia.org/wiki/Allantois ]
Term info
Label
allantois
Subsets
pheno_slim
depicted by
http://upload.wikimedia.org/wikipedia/commons/a/a5/Gray25.png
development notes
a diverticulum of the hindgut endoderm [ISBN:0073040584 (Vertebrates, Kardong)]
external definition
A membranous sac that develops from the posterior part of the alimentary canal in the embryos of mammals, birds, and reptiles, and it is important in the formation of the umbilical cord and placenta in mammals. [TFD][VHOG]
external ontology notes
part_of embryo in EHDAA2 - note differences in humans
has obo namespace
uberon
has related synonym
allantoic bud
has relational adjective
allantoic
homology notes
Structures homologous to the four extraembryonic membranes of reptiles and birds appear in mammals: amnion, chorion, yolk sac, and allantois.[well established][VHOG]
id
UBERON:0004340
Term relations
Subclass of:
- extraembryonic membrane
- anatomical entity
- has developmental contribution from some endoderm
- has developmental contribution from some splanchnic layer of lateral plate mesoderm
- develops from some cloaca
- has_part some (part of some renal system)
Related from: