archiblast

American

[ahr-kuh-blast] / ˈɑr kəˌblæst /

noun

Biology.

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023