archiblast

American  

[ahr-kuh-blast] / ˈɑr kəˌblæst /

noun

Biology.

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

---

Etymology

Origin of archiblast

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 Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various