mor·u·la  (môr'yə-lə, môr'ə-)  n. pl. mor·u·lae (-lē') The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum. [New Latin mōrula, feminine diminutive of Latin mōrum, mulberry.] mor'u·lar adj., mor'u·la'tion n. |