ectoderm
[ ek-tuh-durm ]
/ ˈɛk təˌdɜrm /
noun Embryology.
the outer germ layer in the embryo of a metazoan.
Nearby words
Also called ectoblast.
Related forms
ec·to·der·mal, ec·to·der·mic, adjectiveec·to·der·moi·dal [ek-toh-der-moid-l] /ˌɛk toʊ dərˈmɔɪd l/, adjectivesub·ec·to·der·mal, adjectivesub·ec·to·der·mic, adjectiveDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ectoderm
British Dictionary definitions for ectoderm
ectoderm
exoderm
/ (ˈɛktəʊˌdɜːm) /
noun
Derived Forms
ectodermal or ectodermic, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medicine definitions for ectoderm
ectoderm
[ ĕk′tə-dûrm′ ]
n.
The outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue, and sense organs develop.ectoblast
Related forms
ec′to•der′mal null adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for ectoderm
ectoderm
[ ĕk′tə-dûrm′ ]
The outermost of the primary germ layers of an animal embryo. In vertebrates, the ectoderm gives rise to the epidermis and associated tissues (such as hair and sweat glands), enamel of the teeth, sense organs, nervous system, and lining of the nose, mouth, and anus. Compare endoderm mesoderm.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.