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pityriasis

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pit⋅y⋅ri⋅a⋅sis

[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.

Origin:
1685–95; < NL < Gk pitȳríāsis branlike eruption, equiv. to pítȳr(on) bran, scale + -iāsis -iasis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pit·y·ri·a·sis   (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.

[Greek pitūriāsis, from pitūron, grain husk, dandruff.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: pit·y·ri·a·sis
Pronunciation: "pit-&-'rI-&-s&s
Function: noun
Inflected Form: plural pit·y·ri·a·ses /-"sEz/
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
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

pityriasis pit·y·ri·a·sis (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.


pit'y·ri'a·sic (-sĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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