pityriasis(redirected from pityriases)
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Related to pityriases: pityriasis alba, pityriasis rosea, pityriasis versicolor, Pityriasis lichenoides, tinea versicolor, Pityriasis capitis
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 pitūra, grain husks, bran, dandruff, perhaps from dissimilation of *putūra; see pau- in Indo-European roots, or akin to pitulos, repetitive striking; see pet- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Pathology) any of a group of skin diseases characterized by the shedding of dry flakes of skin
2. (Veterinary Science) a similar skin disease of certain domestic animals
[C17: via New Latin from Greek pituriasis scurfiness, from pituron bran]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pit•y•ri•a•sis(ˌpɪt əˈraɪ ə sɪs)
any of several skin diseases marked by the shedding of branlike scales.
[1685–95; < New Latin < Greek pitȳríāsis branlike eruption =pítȳr(on) bran, scale + -iāsis -iasis]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||pityriasis - any of several skin disorders characterized by shedding dry flakes of skin|
dermatosis - disorder involving lesions or eruptions of the skin (in which there is usually no inflammation)
dandruff - a condition in which white scales of dead skin are shed by the scalp
pityriasis alba - common form of pityriasis (usually in children or young adults) characterized by round patches of depigmentation
pityriasis rosea - pityriasis in which an itchy rash develops over the trunk and extremities
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
pityriasisn pitiriasis f; — alba pitiriasis alba; — rosea pitiriasis rosada; — versicolor pitiriasis versicolor
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.