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Related to perionychium: nail wall, sympodia


n. pl. per·i·o·nych·i·a (-ē-ə)
The border of epidermal tissue surrounding a fingernail or toenail.

[New Latin : peri- + Greek onux, onukh-, nail; see nogh- in Indo-European roots.]


n, pl -ia (-ɪə)
(Anatomy) the skin that surrounds a fingernail or toenail
[C19: New Latin, from peri- + Greek onux a nail]


(ˌpɛr i oʊˈnɪk i əm)

n., pl. -nych•i•a (-ˈnɪk i ə)
the epidermis surrounding the base and sides of a fingernail or toenail.
[1900–05; peri- + Greek onych-, s. of ónyx nail (compare onyx) + -ium2]
References in periodicals archive ?
Topical delivery is preferred over systemic treatments because this approach delivers localized treatment to the disease site; however, topical treatments are limited in their ability to penetrate the nail to also treat the underlying perionychium.