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BLASTODISCS
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DeCS
Descriptor
English
:
Blastodisc
Descriptor
Spanish
:
blastodisco
Descriptor
Portuguese
:
Blastodisco
Synonyms
English
:
Area, Germinal
Areas, Germinal
Blastodiscs
Disc, Germinal
Discs, Germinal
Germinal Area
Germinal Areas
Germinal Disc
Germinal Discs
Tree Number:
A16.331.042
Definition
English
:
A small whitish spot on the surface of the
EGG YOLK
where cleavage begins. Upon
fertilization
the
cytoplasm
streams from the vegetal pole away from the yolk to the animal pole where cleavage will occur. This germinal area eventually flattens into a layer of cells (
BLASTODERM
) that covers the yolk completely.
History Note
English
:
2008
Allowable Qualifiers
English
:
AB
abnormalities
AH
anatomy & histology
BS
blood supply
CH
chemistry
CY
cytology
DG
diagnostic imaging
DE
drug effects
EM
embryology
EN
enzymology
IM
immunology
IN
injuries
IR
innervation
ME
metabolism
MI
microbiology
PS
parasitology
PA
pathology
PH
physiology
PP
physiopathology
RE
radiation effects
SU
surgery
TR
transplantation
UL
ultrastructure
VI
virology
Record Number:
52543
Unique Identifier:
D054239
Occurrence in VHL
:
Similar:
DeCS