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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. embryol the cavity within a blastula Also calledsegmentation cavity
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

blastocoel

/ blăstə-sēl′ /

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

  • blasto·coelic adjective
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Word History and Origins

Origin of blastocoel1

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

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

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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blastochyleblastocyst