Dictionary entry

Morula

Webster's Dictionary 1913

‖Mor″u‐la (?), n.; pl.Morulæ (#). [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.