embryonic disk

noun

Definition of embryonic disk

2 : the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops called also embryonic shield

First Known Use of embryonic disk

circa 1938

in the meaning defined at sense 1a

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Medical Dictionary

embryonic disk

noun
variants: or embryonic disc

medical Definition of embryonic disk

2 : the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops called also embryonic shield

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