epitrichium

[ ep-i-trik-ee-uh m ]
/ ˌɛp ɪˈtrɪk i əm /

noun, plural ep·i·trich·i·ums. Embryology.

the outermost layer of the epidermis in most mammalian fetuses, usually disappearing before birth.

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Also called periderm.

Origin of epitrichium

1880–85; < New Latin epi- + -trichium < Greek tríchion, diminutive of thríx hair (see trichion); so called because hair develops under it in human embryos

OTHER WORDS FROM epitrichium

ep·i·trich·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for epitrichium

epitrichium
[ ĕp′ĭ-trĭkē-əm ]

n.

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