- any of various skin diseases characterized by the shedding of scaly flakes of epidermis
- a skin disease of domestic animals, characterized by the formation of dry scales
Origin of pityriasisModern Latin ; from Classical Greek ; from pityrion, bran, scale
Any of various skin diseases of humans and animals, characterized by epidermal shedding of flaky scales.
Origin of pityriasisGreek pit&umacron;riasis, from pit&umacron;ron, grain husk, dandruff.