Hyponychium

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Hyponychium
Nail anatomy
Details
Identifiers
Latin	Hyponychium
TA98	A16.0.01.011
TA2	7073
FMA	77860
Anatomical terminology [edit on Wikidata]

The hyponychium is the area of epithelium, particularly the thickened portion, underlying the free edge of the nail plate on the nail. Its proximal border is immediately distal to distal limit of nail bed—a.k.a. the onychodermal band (the line along the interface of the nail bed and the nail plate). Its distal border the free edge of the nail plate—or where that edge would project downwards onto the epidermis.

It is sometimes called "the quick" (in its archaic meaning of "living"), as in the phrase cut to the quick.^[1]

See also[]

• Eponychium

References[]

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