Medical Dictionary

pityriasis rubra pilaris

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

Medical Definition of pityriasis rubra pilaris

  1. :  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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feeling or affected by lethargy

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