blastocoel

Or blas·to·coele

[blas-tuh-seel]

noun

Embryology.

1. the cavity of a blastula, arising in the course of cleavage.

blastocoel

/ ˈblæstəʊˌsiːl /

noun

1. Also called: segmentation cavity. embryol the cavity within a blastula

blastocoel

1. The fluid-filled, central cavity of a blastula.

Other Word Forms

• blastocoelic adjective

Word History and Origins

Origin of blastocoel¹

First recorded in 1875–80; blasto- + -coel ( def. )

Example Sentences

The smaller cells now divide and spread over the four larger cells; at the same time a space—the cleavage cavity or blastocoel—forms in the centre of the mulberry-like mass.

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The central part of the blastosphere is called the segmentation cavity or blastocoel.

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This vessel is nothing but a split between the right and left folds of the mesentery, and its cavity is thus a remnant of the blastocoel.

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