noun, Embryology.

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


Read Also:

  • Germinal epithelium

    germinal epithelium n. See surface epithelium.

  • Germinal localization

    germinal localization n. The determination in very young embryos of the presumptive areas for specific organs or structures.

  • Germinal membrane

    germinal membrane n. See blastoderm.

  • Germinal pole

    germinal pole n. See animal pole.

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