noun
achromia; albinism
Medical term for conditions involving lack of pigment, such as albinism or achromia. Used in clinical contexts.
色素欠乏症はメラニンの生成異常によって起こる。
Achromia is caused by abnormal melanin production.
彼女は先天性の色素欠乏症と診断された。
She was diagnosed with congenital albinism.
Compound of 色素 (pigment) + 欠乏 (deficiency) + 症 (condition). A modern medical term.