“pityriasis rubra”

We have one entry that includes the term pityriasis rubra.

pityriasis rubra pilaris

noun

: 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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  • any of a genus helianthus especially h annuus of new world composite plants with large yellow rayed flower heads bearing edible seeds that yield an edible oil
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