blastula (redirected from blastulae)

blastula /blas·tu·la/ (blas´tu-lah) pl. blas´tulae   [L.] the usually spherical structure produced by cleavage of a zygote, consisting of a single layer of cells (blastoderm) surrounding a fluid-filled cavity (blastocoele).

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blas·tu·la (blsch-l)

n. pl. blas·tu·las or blas·tu·lae (-l)

An early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells surrounding a fluid-filled cavity.

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blastu·lar adj.

blastu·lation (-lshn) n.

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blastula

the usually spherical body produced by cleavage of a fertilized ovum, consisting of a single layer of cells (blastoderm) surrounding a fluid-filled cavity (blastocoele); it follows the morula stage.