| 释义 |
mel·a·to·nin AHD[mĕl'ə-tōʹnĭn] D.J.[ˌmeləˈtəʊnɪn]K.K.[ˌmɛləˈtonɪn]n.（名词）- A hormone derived from serotonin and produced by the pineal gland that stimulates color change in the epidermis of amphibians and reptiles but whose function in mammals is not clear.降黑素：由松果体产生且来自血清素的一种激素，能刺激两栖动物和爬行动物表皮颜色的变化，但这种激素的作用对哺乳动物不明显
- Greek melas [black] 希腊语 melas [黑]
- tone tone
- -in -in
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