archiblast

[ahr-kuh-blast]

noun

Biology.

1. the formative part of the egg, as distinguished from the part that nourishes the embryo.

Word History and Origins

Origin of archiblast¹

First recorded in 1875–80; archi- + -blast

Example Sentences

Parablast, par′a-blast, n. the supplementary or nutritive yolk of a meroblastic egg or metovum—as distinguished from the archiblast, or formative yolk.—adj.

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