DEFINITIONS

germ layer

noun

one of the three primary embryonic cell layers.

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Words nearby germ layer

geriatrician, geriatrics, gerlachovka, germ, germ cell, germ layer, germ line, germ membrane, germ plasm, germ theory, germ tube
Compare ectoderm, endoderm, mesoderm.

Origin of germ layer

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for germ layer

British Dictionary definitions for germ layer

germ layer

noun

embryol any of the three layers of cells formed during gastrulationSee ectoderm, mesoderm, endoderm
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

Medicine 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.

Science 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.