[ ep-uh-nik-ee-uhm ]
/ ˌɛp əˈnɪk i əm /
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noun, plural ep·o·nych·i·a [ep-uh-nik-ee-uh], /ˌɛp əˈnɪk i ə/,
Embryology. the modified outer layer of the epidermis that partially covers the fetal fingernails and toenails and that persists after birth as the cuticle.
Anatomy. a thin, cuticular fold extending over the lunula of a nail.
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Words nearby eponychium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical definitions for eponychium
[ ĕp′ə-nĭk′ē-əm ]
The condensed eleidin-rich areas of the epidermis preceding the formation of nails in the embryo.
The thin skin adhering to the nail at its base.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.