Concept information
Preferred term
Blastodisc
Type
-
Topical Descriptor
Broader concept
Entry terms
- Area, Germinal
- Areas, Germinal
- Disc, Germinal
- Discs, Germinal
- Germinal Area
- Germinal Areas
- Germinal Disc
- Germinal Discs
Scope note
- 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
- 2008
In other languages
-
Finnish
-
Swedish
URI
http://www.yso.fi/onto/mesh/D054239
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