AskDefine | Define blastocoel

Dictionary Definition

blastocoel n : the fluid-filled cavity inside a blastula [syn: blastocoele, blastocele, segmentation cavity, cleavage cavity]

User Contributed Dictionary



  1. alternative spelling of blastocoele

Extensive Definition

A blastocoel(e) or blastocele (also called blastocyst cavity, cleavage cavity or segmentation cavity) is the fluid-filled central region of a blastocyst. A blastocoele forms during embryogenesis when a zygote (a fertilized ovum) divides into many cells through mitosis.
The adjectival of "blastocoel(e)" is blastocoelic.
A blastocoel can be described as the first cell cavity formed as the embryo enlarges. It is essential for later gastrulation.


See also

blastocoel in French: Blastocèle
blastocoel in Spanish: Blastocele
blastocoel in Italian: Blastocele
blastocoel in Polish: Blastocel
blastocoel in Portuguese: Blastocélio
blastocoel in Turkish: Blastosöl
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