pityriasis

[pit-uh-rahy-uh-sis]

noun

Pathology. any of various skin diseases marked by the shedding of branlike scales of epidermis.
Veterinary Pathology. a skin disease in various domestic animals marked by dry scales.

Origin of pityriasis

1685–95; < New Latin < Greek pitȳríāsis branlike eruption, equivalent to pítȳr(on) bran, scale + -iāsis -iasis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pityriasis

Historical Examples of pityriasis

Eczema and psoriasis, pityriasis, impetigo, and porrigo decalvans are forms of skin eruption seen.
A System of Practical Medicine By American Authors, Vol. II
Various
Since Pityriasis is endemic to Borneo, it probably was detached from the parent stock at an early period.
Birds from North Borneo
Max C. Thompson
The Australasian affinities of Pityriasis emphasize its zoogeographical peculiarities.
Birds from North Borneo
Max C. Thompson
How is pityriasis rosea distinguished from ringworm, psoriasis and the squamous syphiloderm?
Essentials of Diseases of the Skin
Henry Weightman Stelwagon
Pityriasis, a skin eruption attended with branlike desquamation.
The Nuttall Encyclopaedia
Edited by Rev. James Wood

British Dictionary definitions for pityriasis

pityriasis

noun

any of a group of skin diseases characterized by the shedding of dry flakes of skin
a similar skin disease of certain domestic animals

Word Origin for pityriasis

C17: via New Latin from Greek pituriasis scurfiness, from pituron bran

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pityriasis in Medicine

pityriasis

[pĭt′ĭ-rī′ə-sĭs]

n. pl. pit•y•ri•a•ses (-sēz′)

Any of various skin diseases of humans and animals, characterized by epidermal shedding of flaky scales.

Related formspit′y•ri′a•sic (-sĭk) adj.