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ALLANTOIS
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DeCS
Descriptor
English
:
Allantois
Descriptor
Spanish
:
Alantoides
Descriptor
Portuguese
:
Alantóide
Tree Number:
A10.615.284.147
A16.254.750.147
Definition
English
:
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.
See Related
English
:
Chorioallantoic Membrane
History Note
English
:
91(75); was see under FETAL MEMBRANES 1975-90
Allowable Qualifiers
English
:
abnormalities
anatomy & histology
blood supply
chemistry
cytology
drug effects
embryology
enzymology
growth & development
immunology
injuries
innervation
metabolism
microbiology
pathology
physiology
physiopathology
parasitology
radiography
radiation effects
radionuclide imaging
secretion
surgery
transplantation
ultrastructure
ultrasonography
virology
Record Number:
484
Unique Identifier:
D000482
Occurrence in VHL
:
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