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Blastocyst cavity

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Definition

noun

The fluid-filled cavity inside the early forms of embryo, e.g. of blastula.


Supplement

The presence of this cavity indicates that the embryo is in blastula stage following morula. This cavity is important in the later gastrulation.


Synonyms:

  • blastocoel
  • cleavage cavity
  • segmentation cavity

See also: blastula