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Affixes: the building blocks of English
Affixes: the building blocks of English
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-onychia

A condition of the nails.

[Greek onux, onukh-, nail or claw, plus -ia.]

Paronychia (Greek para, beside) is an inflamed swelling of the fold of skin at the margin of a nail; koilonychia (Greek koilos, hollow) is a condition in which the fingernails become thin, brittle and concave instead of convex, also called spoon-nail; pachyonychia (Greek pakhus, thick) is a rare genetic disorder in which, among other symptoms, the nails become thickened; onychia is inflammation of the bed of a nail.

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