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germ layer
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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
germinant, germinate, germination, germinative, Germiston, germ layer, germ line, germline insertion, germ plasm, germproof, germs
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use germ layer in a sentence
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
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.