eponychium

[ep-uh-nik-ee-uhm]

ep·o·nych·i·um

[ep-uh-nik-ee-uhm]
noun, plural ep·o·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.


Origin:
1880–85; < Neo-Latin, equivalent to ep- ep- + onych- (see onyx) + -ium -ium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Eponychium has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
American Heritage
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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