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entoderm

[en-tuh-durm] /ˈɛn təˌdɜrm/
noun, Embryology
1.
Origin
1875-1880
1875-80; ento- + -derm
Related forms
entodermal
[en-tuh-dur-muh l] /ˌɛn təˈdɜr məl/ (Show IPA),
entodermic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for entoderm
  • Later the mesoderm again penetrates between the entoderm and the ectoderm.
  • The tube is lined by entoderm from which the epithelial lining of the respiratory tract is developed.
British Dictionary definitions for entoderm

endoderm

/ˈɛndəʊˌdɜːm/
noun
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
endodermal, endodermic, entodermal, entodermic, adjective

entoderm

/ˈɛntəʊˌdɜːm/
noun
1.
(embryol) another name for endoderm
Derived Forms
entodermal, 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
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entoderm in Medicine

entoderm en·to·derm (ěn'tə-dûrm')
n.
Variant of endoderm.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for entoderm

endoderm

the innermost of the three germ layers, or masses of cells (lying within ectoderm and mesoderm), which appears early in the development of an animal embryo. The endoderm subsequently gives rise to the epithelium (tissue that covers, or lines, a structure) of the pharynx, including the eustachian tube, the tonsils, the thyroid gland, parathyroid glands, and thymus gland; the larynx, trachea, and lungs; the gastrointestinal tract (except mouth and anus), the urinary bladder, the vagina (in females), and the urethra. The term endoderm is sometimes used to refer to the gastrodermis, the simple tissue that lines the digestive cavity of cnidarians and ctenophores. Compare ectoderm; mesoderm.

Learn more about endoderm with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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