Pit`y*ri"a*sis (?), n. [NL., fr. Gr. &?;, fr. &?;, lit., bran.] (Med.)

A superficial affection of the skin, characterized by irregular patches of thin scales which are shed in branlike particles.

Pityriasis versicolor [NL.] (Med.), a parasitic disease of the skin, characterized by the development of reddish or brownish patches.


© Webster 1913

Pit`y*ri"a*sis (?), n. (Veter.)

A disease of domestic animals characterized by dry epithelial scales, and due to digestive disturbances and alteration of the function of the sebaceous glands.


© Webster 1913

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