[ en-duh-durm ]

  1. Also called endoblast. Embryology. the innermost cell layer of the embryo in its gastrula stage.

  2. Anatomy. the innermost body tissue that derives from this layer, as the gut lining.

Origin of endoderm

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

Other words from endoderm

  • en·do·der·mal, en·do·der·mic, adjective

Words Nearby endoderm

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How to use endoderm in a sentence

British Dictionary definitions for endoderm



/ (ˈɛndəʊˌdɜːm) /

  1. the inner germ layer of an animal embryo, which gives rise to the lining of the digestive and respiratory tracts: See 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

Scientific definitions for endoderm


[ ĕndə-dûrm′ ]

  1. 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.