EXAMPLES | WORD ORIGIN noun 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. Origin of endoderm 1825–35;
-derm Related forms en·do·der·mal, en·do·der·mic, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for endoderm Historical Examples of endoderm
The outer is the Ectoderm and the inner is the
Endoderm or Hypoblast.
It consists of three layers: ectoderm,
endoderm, and mesoderm. Endoderm, the tissue in an adult, derived from the hypoblast (which see), 19.
The terminal portion of the
endoderm is solid, and contains calcareous concretions.
endoderm contains in addition gland cells and nervous elements. British Dictionary definitions for endoderm noun 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 endodermal, endodermic, entodermal or entodermic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for endoderm n.
endo- + -derm. Coined by Prussian embryologist Robert Remak (1815-1865).
Online Etymology Dictionary, © 2010 Douglas Harper
n. The innermost of the three primary germ layers of an embryo, developing into the gastrointestinal tract, the lungs, and associated structures. hypoblast Related forms en′do•der ′mal adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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
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