noun
porphyria
A group of rare metabolic disorders involving porphyrin accumulation. Used in medical contexts.
ポルフィリン症は遺伝性の代謝異常です。
Porphyria is a hereditary metabolic disorder.
From ポルフィリン (porphyrin, from German Porphyrin) + 症 (しょう, disease/syndrome).