germ layer
noun
one of the three primary embryonic cell layers.
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Origin of germ layer
First recorded in 1875–80
Words nearby germ layer
germination, germinative, germinative layer, germinoma, Germiston, germ layer, germ line, germline insertion, germ membrane, germ plasm, germproof
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for germ layer
British Dictionary definitions for germ layer
germ layer
noun
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
Medical definitions for germ layer
germ layer
n.
Any of the three primary cellular layers, the ectoderm, endoderm, or mesoderm, into which most animal embryos differentiate and from which the organs and tissues of the body develop.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for germ layer
germ layer
Any of three cellular layers, the ectoderm, endoderm, or mesoderm, into which most animal embryos differentiate in the gastrula stage and from which the organs and tissues of the body develop through further differentiation.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.