Mor"u*la (?), n.; pl. Morulae (#). [NL., dim. of L. morum a mulberry.] Biol.
The sphere or globular mass of cells (blastomeres), formed by the clevage of the ovum or egg in the first stages of its development; -- called also mulberry mass, segmentation sphere, and blastosphere. See Segmentation.
© Webster 1913.