melanosis
黑變病; 黑素沈著病
mel·a·no·sis /ˌmɛləˈnosəs/ 名詞
Mel·a·no·sis Med. The morbid deposition of black matter, often of a malignant character, causing pigmented tumors.
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melanosis
n : a condition characterized by abnormal deposits of melanin
(especially in the skin) [syn: melanism]