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Allantois MeSH Descriptor Data 2023


MeSH Heading
Allantois
Tree Number(s)
A10.615.284.147
A16.254.750.147
Unique ID
D000482
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D000482
Scope Note
An extra-embryonic membranous sac derived from the YOLK SAC of REPTILES; BIRDS; and MAMMALS. It lies between two other extra-embryonic membranes, the AMNION and the CHORION. The allantois serves to store urinary wastes and mediate exchange of gas and nutrients for the developing embryo.
Entry Term(s)
Allantoic Membrane
NLM Classification #
QS 645
See Also
Chorioallantoic Membrane
Public MeSH Note
91; was see under FETAL MEMBRANES 1975-90
Online Note
search FETAL MEMBRANES 1966-74
History Note
91(75); was see under FETAL MEMBRANES 1975-90
Date Established
1991/01/01
Date of Entry
1999/01/01
Revision Date
2007/07/11
Allantois Preferred
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