pityriasis

noun pit·y·ri·a·sis \ ˌpi-ti-ˈrī-ə-səs \

Definition of pityriasis

: any of various skin conditions of humans or domestic animals marked by dry scaling patches of skin

Origin and Etymology of pityriasis

New Latin, from Greek, from pityron scurf


Medical Dictionary

pityriasis

noun pit·y·ri·a·sis \ ˌpit-ə-ˈrī-ə-səs \

medical Definition of pityriasis

plural pityriases play \-ˌsēz\
1 : any of several skin diseases marked by the formation and desquamation of fine scales
2 : a disease of domestic animals marked by dry epithelial scales or scurf due to alteration of the function of the sebaceous glands and possibly associated with digestive disorders

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