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A blastula of the type produced by the meroblastic discoidal cleavage of a large-yolked ovum.
Farlex Partner Medical Dictionary © Farlex 2012
A modified blastula found in highly telolecithal eggs, as in birds in which the blastomeres form a cellular cap (germinal disk or blastoderm) that is separated from the yolk by a space, the blastocele.
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