germinal : Idioms & Phrases
germinal area
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noun a layer of cells on the inside of the blastula
blastodisc; blastoderm; germinal area.
WordNet
germinal disc
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noun a layer of cells on the inside of the blastula
blastodisc; blastoderm; germinal area.
WordNet
Germinal layers
(Biol.) , the two layers of cells, the ectoblast and entoblast, which form respectively the outer covering and inner wall of the gastrula. A third layer of cells, the mesoblast, which is formed later and lies between these two, is sometimes included.
Webster 1913
Germinal membrane
- .
(Biol.) Same asBlastoderm .
Webster 1913
Germinal spot
(Biol.) , the nucleolus of the ovum.
Webster 1913
Germinal vesicle
(Biol.) , the nucleus of the ovum of animals.