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1. (n.) psoriasis
a common chronic, inflammatory skin disease characterized by scaly patches.
Etymology: (1675–85; < NL < Gk psōríāsis=psōriā-, var. s. of psōriân to have an itch (der. of psṒra itch) +-sis -sis)
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| Definition of 'psoriasis' |
Princeton's WordNet |
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1. (noun) psoriasis
a chronic skin disease characterized by dry red patches covered with scales; occurs especially on the scalp and ears and genitalia and the skin over bony prominences
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| Definition of 'psoriasis' |
Webster Dictionary |
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1. (noun) psoriasis
the state of being affected with psora
2. (noun) psoriasis
a cutaneous disease, characterized by imbricated silvery scales, affecting only the superficial layers of the skin
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| Definition of 'psoriasis' |
U.S. National Library of Medicine |
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1. psoriasis
A common genetically determined, chronic, inflammatory skin disease characterized by rounded erythematous, dry, scaling patches. The lesions have a predilection for nails, scalp, genitalia, extensor surfaces, and the lumbosacral region. Accelerated epidermopoiesis is considered to be the fundamental pathologic feature in psoriasis.
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Definitions of psoriasis 
