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pre-embryo

/ (priːˈɛmbrɪəʊ) /
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noun
the structure formed after fertilization of an ovum but before differentiation of embryonic tissue
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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

How to use pre-embryo in a sentence

Medical definitions for pre-embryo

pre-embryo
[ prē-ĕmbrē-ō′ ]

n.
A fertilized ovum up to 14 days old, before it becomes implanted in the uterus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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