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Blastodisc

More information in Books or onNLM PubMed
Definition: 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.      Other names Germinal Discs; Germinal Areas; Discs, Germinal; Disc, Germinal; Blastodiscs; Areas, Germinal; Area, Germinal; Germinal Area; Germinal Disc

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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