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[mawr-oo-luh, -yoo-] /ˈmɔr ʊ lə, -yʊ-/
noun, plural morulas, morulae
[mawr-oo-lee, -yoo-] /ˈmɔr ʊˌli, -yʊ-/ (Show IPA).
the mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Origin of morula
1855-60; < New Latin, equivalent to Latin mōr(um) mulberry + -ula -ule
Related forms
morular, adjective
premorular, adjective
pseudomorular, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for morula


noun (pl) -las, -lae (-ˌliː)
(embryol) a solid ball of cells resulting from cleavage of a fertilized ovum
Derived Forms
morular, adjective
Word Origin
C19: via New Latin, diminutive of Latin morum mulberry, from Greek moron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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morula in Medicine

morula 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.

mor'u·lar adj.
mor'u·la'tion (-lā'shən) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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morula in Science
Plural morulae (môr'yə-lē')
The spherical embryonic mass of blastomeres that results from cleavage of the fertilized ovum and develops into the blastula.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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