| onychia | <medicine> A whitlow. An affection of a finger or toe, attended with ulceration at the base of the nail, and terminating in the destruction of the nail. Origin: NL. See Onyx. Source: Websters Dictionary (01 Mar 1998) |
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| onychia lateralis | <dermatology> Inflammation involving the folds of tissue surrounding the nail. Synonym: perionychia. Origin: Gr. Onyx = nail (18 Nov 1997) |
| onychia maligna | Acute onychia occurring spontaneously in debilitated patients, or in response to slight trauma. Synonym: Wardrop's disease. (05 Mar 2000) |
| onychia periungualis | <dermatology> Inflammation involving the folds of tissue surrounding the nail. Synonym: perionychia. Origin: Gr. Onyx = nail (18 Nov 1997) |
| onychia sicca | A condition characterised by brittle nails. (05 Mar 2000) |