noun
pityriasis
Medical term for a group of skin conditions characterized by fine, bran-like scales. Subtypes such is pityriasis rosea, pityriasis versicolor, and pityriasis alba. Used in clinical contexts.
粃糠疹は、皮膚に細かい鱗屑が生じる疾患の総称です。
Pityriasis is a general term for conditions that cause fine scales on the skin.
この患者は粃糠
This patient was diagnosed with pityriasis.
乾癬 (psoriasis) is a chronic autoimmune condition with thick, silvery scales, distinct from the finer scaling of pityriasis.
From Chinese medical terminology, combining 粃 (chaff, bran), 糠 (rice bran), and 疹 (rash, eruption), referring to the bran-like scales characteristic of the condition.