| 释义 |
pityriasis
pit·y·ri·a·sis P0338700 (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 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.]pityriasis (ˌpɪtəˈraɪəsɪs) n1. (Pathology) any of a group of skin diseases characterized by the shedding of dry flakes of skin2. (Veterinary Science) a similar skin disease of certain domestic animals[C17: via New Latin from Greek pituriasis scurfiness, from pituron bran]pit•y•ri•a•sis (ˌpɪt əˈraɪ ə sɪs)
n. 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] Thesaurus| Noun | 1. |  pityriasis - any of several skin disorders characterized by shedding dry flakes of skindermatosis - 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 scalppityriasis alba - common form of pityriasis (usually in children or young adults) characterized by round patches of depigmentationpityriasis rosea - pityriasis in which an itchy rash develops over the trunk and extremities |
Translations
pityriasis
pityriasis[‚pid·ə′rī·ə·səs] (medicine) A fine, branny desquamation of the skin. pityriasis
pityriasis [pit″ĭ-ri´ah-sis] any of various skin diseases characterized by the formation of fine, branny scales.acute lichenoid pityriasis an acute or subacute, sometimes relapsing, widespread macular, papular, or vesicular eruption that tends to crusting, necrosis, and hemorrhage; when it heals it leaves pigmented depressed scars, followed by a new crop of lesions. Progression to the chronic lichenoid form occasionally occurs.pityriasis al´ba a chronic condition with patchy scaling and hypopigmentation of the skin of the face.chronic lichenoid pityriasis a chronic brown to red-brown scaly macular eruption, seen mainly on the trunk, with epidermal changes and a perivascular lymphocytic infiltrate. It may arise independently or happen as a progression of the acute lichenoid form.pityriasis ro´sea a common acute or subacute, self-limited exanthematous disease of unknown etiology. It begins with a solitary red to tan plaque (herald plaque), usually on the trunk, arms, or thighs, which is followed by similar but smaller papular or macular lesions; these later may peel and leave a scaly collarette.pityriasis ru´bra pila´ris a chronic inflammatory skin disease marked by pink scaling macules and cone-shaped horny follicular papules; it usually begins with severe seborrhea of the scalp and face, associated with keratoderma of palms and soles.pityriasis versi´color tinea versicolor.pit·y·ri·a·sis (pit-i-rī'ă-sis), A dermatosis marked by branny desquamation. [G. fr. pityron, bran, dandruff] pityriasis (pĭt′ĭ-rī′ə-sĭs)n. pl. pityria·ses (-sēz′) Any of various skin diseases of humans and animals, characterized by epidermal shedding of flaky scales.pit·y·ri·a·sis (pit'i-rī'ă-sis) A dermatosis marked by branny desquamation. [G. fr. pityron, bran, dandruff]pityriasis Any skin condition featuring bran-like scaling of the skin.pityriasis
Related to pityriasis: pityriasis versicolor, pityriasis alba, tinea versicolor, Pityriasis lichenoides, pityriasis rubra pilaris, Pityriasis capitisWords related to pityriasisnoun any of several skin disorders characterized by shedding dry flakes of skinRelated Words- dermatosis
- dandruff
- pityriasis alba
- pityriasis rosea
|