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pityriasis

American  
[pit-uh-rahy-uh-sis] / ˌpɪt əˈraɪ ə sɪs /

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 British  
/ 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

Etymology

Origin of pityriasis

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In 1924, a skin specialist at the University of Minnesota diagnosed her with pityriasis rubra pilaris, a chronic skin disease that had no significant treatment options or a cure at the time.

From Washington Times Dec. 2, 2017

In aged people this condition is the pityriasis nigra of Willan.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle

This is seen in its highest degree in itching diseases like prurigo and pityriasis.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle

To what is pityriasis rosea to be attributed?

From Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine by Henry Weightman Stelwagon

Some dry and scaly skin eruptions, of which pityriasis is the most common, need different treatment.

From A Manual of Toy Dogs How to breed, rear, and feed them by Mrs. Leslie Williams

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