parablast

[par-uh-blast]

noun

Biology.

1. the nutritive yolk of a meroblastic ovum or egg.

parablast

/ ˈpærəˌblæst /

noun

1. the yolk of an egg, such as a hen's egg, that undergoes meroblastic cleavage

Other Word Forms

• parablastic adjective

Word History and Origins

Origin of parablast¹

First recorded in 1855–60; para- ¹ + -blast

Word History and Origins

Origin of parablast¹

C19: from _para- ¹ + _-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