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Webster 1913 Edition


Psoriasis

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Pso-ri′a-sis

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Noun.
[NL., fr. Gr. [GREEK], fr. [GREEK] psora.]
(Med.)
(a)
The state of being affected with psora.
[Obs.]
(b)
A cutaneous disease, characterized by imbricated silvery scales, affecting only the superficial layers of the skin.