pit·y·ri·a·sis (p t -r   -ss)n. pl. pit·y·ri·a·ses (-s  z) Any of various skin diseases of humans and animals, characterized by epidermal shedding of flaky scales. [Greek pit  ri sis, from pitron, grain husk, dandruff.] |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  pityriasis - any of several skin disorders characterized by shedding dry flakes of skindermatosis - disorder involving lesions or eruptions of the skin (in which there is usually no inflammation) dandruff - a condition in which white scales of dead skin are shed by the scalp pityriasis alba - common form of pityriasis (usually in children or young adults) characterized by round patches of depigmentation pityriasis rosea - pityriasis in which an itchy rash develops over the trunk and extremities |
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