Medical Dictionary

pityriasis rubra pilaris

noun pityriasis ru·bra pi·lar·is \ -ˈrü-brə-pi-ˈlar-əs \

medical Definition of pityriasis rubra pilaris

:a chronic dermatitis characterized by the formation of papular horny plugs in the hair follicles and pinkish macules which tend to spread and become scaly plaques

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