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EXTRAEMBRYONIC MEMBRANES
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DeCS
Descriptor
English
:
Extraembryonic Membranes
Descriptor
Spanish
:
Membranas Extraembrionarias
Descriptor
Portuguese
:
Membranas Extraembrionárias
Synonyms
English
:
Fetal Membranes
Tree Number:
A10.615.284
A16.254.750
Definition
English
:
The thin layers of tissue that surround the developing embryo. There are four extra-embryonic
membranes
commonly found in
VERTEBRATES
, such as
REPTILES
; BIRDS; and
MAMMALS
. They are the
YOLK SAC
, the
ALLANTOIS
, the
AMNION
, and the
CHORION
. These
membranes
provide
protection
and means to transport
nutrients
and wastes.
Indexing Annotation
English
:
induced
rupture
= LABOR, INDUCED; premature
rupture
=
FETAL MEMBRANES
, PREMATURE
RUPTURE
;
rupture
in normal labor =
EXTRAEMBRYONIC MEMBRANES
(IM) + LABOR, OBSTETRIC (IM)
Allowable Qualifiers
English
:
AB
abnormalities
AH
anatomy & histology
BS
blood supply
CH
chemistry
CY
cytology
DE
drug effects
EM
embryology
EN
enzymology
GD
growth & development
IM
immunology
IN
injuries
IR
innervation
ME
metabolism
MI
microbiology
PS
parasitology
PA
pathology
PH
physiology
PP
physiopathology
RE
radiation effects
RA
radiography
RI
radionuclide imaging
SE
secretion
SU
surgery
TR
transplantation
US
ultrasonography
UL
ultrastructure
VI
virology
Record Number:
5431
Unique Identifier:
D005321
Occurrence in VHL
:
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CID-10
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