germinal disk

noun Embryology.

blastodisk.

Origin of germinal disk

First recorded in 1875–80

Words nearby germinal disk

germinability, germinal, germinal area, germinal cell, germinal center of flemming, germinal disk, germinal epithelium, germinal localization, germinal membrane, germinal pole, germinal vesicle

Medical definitions for germinal disk

germinal disk

n.

A flattened, disklike region of cells from which the embryo develops in the fertilized ovum of many vertebrate species. embryonic disk