pityriasis rubra pilaris

noun
pityriasis ru·​bra pi·​lar·​is | \ -ˈrü-brə-pi-ˈlar-əs How to pronounce pityriasis rubra pilaris (audio) \

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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