Medical Subject Headings

Last uploaded: January 16, 2025
Id http://purl.bioontology.org/ontology/MESH/D054239
http://purl.bioontology.org/ontology/MESH/D054239
Preferred Name

Blastodisc

Definitions
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.
Synonyms
Germinal Area
Disc, Germinal
Germinal Discs
Discs, Germinal
Germinal Areas
Areas, Germinal
Blastodiscs
Area, Germinal
Germinal Disc
Type http://www.w3.org/2002/07/owl#Class
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