pityriasis

[ pit-uh-rahy-uh-sis ]

/ ˌpɪt əˈraɪ ə sɪs /

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.

Nearby words

pituitary myxedema, pituitous, pituri, pity, pitying, pityriasis, pityriasis alba, pityriasis linguae, pityriasis rosea, pityriasis rubra, pityriasis rubra pilaris

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. 2019

Examples from the Web for pityriasis

The Australasian affinities of Pityriasis emphasize its zoogeographical peculiarities.
Birds from North Borneo|Max C. Thompson
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
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
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

/ (ˌpɪtəˈraɪəsɪs) /

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

Medicine definitions for pityriasis

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.