NLM Logo

Blastodisc MeSH Descriptor Data 2022


MeSH Heading
Blastodisc
Tree Number(s)
A16.331.042
Unique ID
D054239
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D054239
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.
Entry Term(s)
Germinal Area
Germinal Disc
Previous Indexing
Chick Embryo (1964-2007)
Public MeSH Note
2008
History Note
2008
Date Established
2008/01/01
Date of Entry
2007/07/09
Blastodisc Preferred
page delivered in 0.138s