pityriasis

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.

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

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World English Dictionary
pityriasis (ˌpɪtəˈraɪəsɪs)
 
n
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
 
[C17: via New Latin from Greek pituriasis scurfiness, from pituron bran]

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American Heritage
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
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