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epitrichium

[ep-i-trik-ee-uh m] /ˌɛp ɪˈtrɪk i əm/
noun, plural epitrichiums. Embryology
1.
the outermost layer of the epidermis in most mammalian fetuses, usually disappearing before birth.
Also called periderm.
Origin
1880-1885
1880-85; < Neo-Latin epi- + -trichium < Greek tríchion, diminutive of thríx hair (see trichion); so called because hair develops under it in human embryos
Related forms
epitrichial, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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epitrichial in Medicine

epitrichium ep·i·trich·i·um (ěp'ĭ-trĭk'ē-əm)
n.
See periderm.

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