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.

From Project Gutenberg