MeSH Browser

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

Allowable Qualifiers: abnormalities (AB)

anatomy & histology (AH)

blood supply (BS)

chemistry (CH)

cytology (CY)

diagnostic imaging (DG)

drug effects (DE)

embryology (EM)

enzymology (EN)

growth & development (GD)

immunology (IM)

injuries (IN)

innervation (IR)

metabolism (ME)

microbiology (MI)

parasitology (PS)

pathology (PA)

physiology (PH)

physiopathology (PP)

radiation effects (RE)

surgery (SU)

transplantation (TR)

ultrastructure (UL)

virology (VI)

Allantois MeSH Descriptor Data 2023