melatonin

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。

melatonin (n.)

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

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.

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.

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.

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.

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.