<embryology> Stage of embryonic development of animals near the end of cleavage but before gastrulation. In animals where cleavage (cell division) involves the whole egg, the blastula usually consists of a hollow ball of cells.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)

blastotomy, blast phase, blasts, blast transformation < Prev | Next > blastular, blastulation, blastule

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