What is (a) A whitlow. (b) An affection of a finger or toe, attended with ulceration at the base of the nail, and terminating in the destruction of the nail called?

onychia — (a) A whitlow. (b) An affection of a finger or toe, attended with ulceration at the base of the nail, and terminating in the destruction of the nail. (Webster's 1913.)

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