[ en-duh-durm ]
/ ˈɛn dəˌdɜrm /


Also called endoblast. Embryology. the innermost cell layer of the embryo in its gastrula stage.
Anatomy. the innermost body tissue that derives from this layer, as the gut lining.
Also entoderm.

Origin of endoderm

1825–35; <French endoderme;see endo-, -derm


en·do·der·mal, en·do·der·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for endoderm

British Dictionary definitions for endoderm



/ (ˈɛndəʊˌdɜːm) /


the inner germ layer of an animal embryo, which gives rise to the lining of the digestive and respiratory tractsSee also ectoderm, mesoderm

Derived forms of endoderm

endodermal, endodermic, entodermal or entodermic, adjective
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 endoderm

[ ĕndə-dûrm′ ]


The innermost of the three primary germ layers of an embryo, developing into the gastrointestinal tract, the lungs, and associated structures.hypoblast

Other words from endoderm

en′do•dermal adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for endoderm

[ ĕndə-dûrm′ ]

The innermost of the primary germ layers of an animal embryo. In vertebrates, the endoderm gives rise to the respiratory tract, gastrointestinal tract (except mouth and anus), glands associated with the gastrointestinal tract, bladder, and urethra. Compare ectoderm mesoderm.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.