pityriasis rubra pilaris

noun

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

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Cite this Entry

“Pityriasis rubra pilaris.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pityriasis%20rubra%20pilaris. Accessed 4 Oct. 2023.

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