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Medical Dictionary


noun ring·worm \ˈriŋ-ˌwərm\

Medical Definition of RINGWORM

:  any of several contagious diseases of the skin, hair, or nails of humans and domestic animals caused by fungi (as of the genus Trichophyton) and characterized by ring-shaped discolored patches on the skin that are covered with vesicles and scales—called also tinea
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