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pityriasis

[ pit-uh-rahy-uh-sis ]

noun

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


pityriasis

/ ˌpɪtəˈraɪəsɪs /

noun

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


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Word History and Origins

Origin of pityriasis1

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

Origin of pityriasis1

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

These skin conditions can include, among other things, hives, measles-like rashes and a full body rash similar to pityriasis rosea.

How is pityriasis rosea distinguished from ringworm, psoriasis and the squamous syphiloderm?

It cures pityriasis, and renders the hair very soft, without drying it too much as is usually the case with soap.

Pityriasis, a skin eruption attended with branlike desquamation.

The skin disease Pityriasis (tinea) versicolor was shown to be due to the Microsporon furfur by Eichstedt in 1846.

The only endemic for which the geographic history cannot be adequately explained is the monotypic Pityriasis gymnocephala.

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