- 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
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Examples from the Web for endoderm
The outer is the Ectoderm and the inner is the Endoderm or Hypoblast.The Ethics of Medical Homicide and Mutilation</p>
It consists of three layers: ectoderm, endoderm, and mesoderm.The Sea-beach at Ebb-tide
Augusta Foote Arnold
Endoderm, the tissue in an adult, derived from the hypoblast (which see), 19.The Biological Problem of To-day
The terminal portion of the endoderm is solid, and contains calcareous concretions.The Works of Francis Maitland Balfour, Volume III (of 4)
Francis Maitland Balfour
The endoderm contains in addition gland cells and nervous elements.
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
Word Origin and History for endoderm
Online Etymology Dictionary, © 2010 Douglas Harper
- The innermost of the three primary germ layers of an embryo, developing into the gastrointestinal tract, the lungs, and associated structures.hypoblast
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