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Related to pityriasis rubra pilaris: pityriasis rosea


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.]


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]


(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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pityriasis - any of several skin disorders characterized by shedding dry flakes of skinpityriasis - 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


n pitiriasis f; — alba pitiriasis alba; — rosea pitiriasis rosada; — versicolor pitiriasis versicolor
References in periodicals archive ?
Pediatrik dermatolojide biyopsi ile en sik tani konan 10 deri hastaligi Tani (n) Henoch-Schonlein purpurasi 23 Psoriasis 16 Pitriyasis likenoides 14 Pitriyasis rosea 11 Liken planus 9 Pityriasis rubra pilaris 8 Eritema multiforme 7 Atopik dermatit 6 Granuloma anulare 3 Pigmente purpurik dermatoz 3
Dermatological diseases in which Koebner's phenomenon occurs Contact dermatitis Molluscum contagiosum Darier's disease Pellagra Dermatographism Perforating disorders Eruptive xanthoma Pityriasis rubra pilaris Erythema multiforme Porokeratosis Henoch-Schonlein purpura Psoriasis * Kyrle's disease Reactive perforating collagenosis Lichen nitidus Rhus dermatitis * Lichen planus * Verrucae * Lichen sclerosus et atrophicus Vitiligo * Most frequently seen Table 2.
AKURZA(TM) is a topical aid in the removal of excessive keratin in hyperkeratotic skin disorders including verrucae, and the various ichthyoses (vulgaris, sex-linked and lamellar), keratosis palmaris and plantaris keratosis pilaris, pityriasis rubra pilaris, and psoriasis (including body, scalp, palms and soles).