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gastrulation

[gas-troo-ley-shuh n] /ˌgæs trʊˈleɪ ʃən/
noun, Embryology
1.
the formation of a gastrula.
2.
any process, as invagination, by which a blastula or other form of embryo is converted into a gastrula.
Origin
1875-1880
1875-80; gastrulate + -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for gastrulation

gastrulation

/ˌɡæstrʊˈleɪʃən/
noun
1.
(embryol) the process in which a gastrula is formed from a blastula by the inward migration of cells
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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gastrulation in Medicine

gastrulation gas·tru·la·tion (gās'trə-lā'shən)
n.
Transformation of the blastula into the gastrula.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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