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epionychium

 - 4 dictionary results

ep⋅i⋅o⋅nych⋅i⋅um

  [ep-ee-oh-nik-ee-uhm]
Use epionychium in a Sentence
–noun, plural -nych⋅i⋅a  [-nik-ee-uh] .
eponychium.

ep⋅o⋅nych⋅i⋅um

  [ep-uh-nik-ee-uhm]
–noun, plural -nych⋅i⋅a  [-nik-ee-uh] ,
1. Embryology. the modified outer layer of the epidermis that partially covers the fetal fingernails and toenails and that persists after birth as the cuticle.
2. Anatomy. a thin, cuticular fold extending over the lunula of a nail.
Also, epionychium.

Origin:
1880–85; < NL, equiv. to ep- ep- + onych- (see onyx ) + -ium -ium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: ep·o·nych·i·um
Pronunciation: "ep-&-'nik-E-&m
Function: noun
1 : the thickened layer of epidermaltissue over the developing fetal fingernail or toenail that disappears before birth except over the base of the nail where it persists as the perionychium
2 : the quick of a nail
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

eponychium ep·o·nych·i·um (ěp'ə-nĭk'ē-əm)
n.

  1. The condensed eleidin-rich areas of the epidermis preceding the formation of nails in the embryo.

  2. 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.
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