Mor·u·la n.; pl. Morulae 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.
◄ ►
morula
n : a solid mass of blastomeres that forms when the zygote
splits; develops into the blastula
[also: morulae (pl)]