psoriasis vulgaris; plaque psoriasis
Medical term for the most common form of psoriasis, characterized by well-defined red plaques with silvery scales.
Psoriasis vulgaris is a chronic condition in which red rashes and silvery-white scales appear on the skin.
Compound of 尋常性 (jinjōsei, 'common, ordinary') and 乾癬 (kansen, 'psoriasis'). The exact historical derivation is uncertain; the spelling is conventionally associated with the medical condition.