英语单词

melatonin是什么意思

melatonin

英 [,melə'təʊnɪn] 美 [,mɛlə'tonɪn]
  • n. 褪黑激素;N-乙酰-5-甲氧基色胺

中文词源


melatonin 褪黑激素

melan-,黑色的,-ton,延展性,弹性,词源同tonic,-in,化学名词后缀。该激素因可以通过使一种产生黑色素的细胞发亮,从而抑制黑色素生长而得名。

英文词源


melatonin (n.)
1958, from Greek melas "black, dark" (see melanin) + ending from serotonin. So called because its secretion is inhibited by sunlight.

双语例句


1. Objective : To study the counteraction of melatonin ( MT ) on the immunodepression induced by cyclophosphamide ( CY ) and dexamethasone ( DEX ).
目的: 研究褪黑素 ( melatonin,MT ) 对环磷酰胺 ( cyclophosphamide,CY ) 、地塞米松 ( dexamethasone, DEX ) 所致免疫低下的对抗作用.

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2. They're only speculating that it's linked to decreased levels of melatonin.
他们只是推测这跟退黑激素分泌减少有关.

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3. The abundant melatonin levels in children is ` believed to inhibIt'sexual development.
孩童时期过多的褪黑激素水平被认为抑制了性的发育.

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4. Method Pineal destruction and melatonin interference test were employed.
方法采用核团毁损、褪黑素及其合成抑制剂干涉试验.

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5. Two , the safety profile of melatonin has not been seriously investigated.
对褪黑激素的安全性研究还不够.

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考试词汇

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