| 单词 | second messenger |
| 释义 | > as lemmassecond messenger second messenger n. Physiology a substance whose release within a cell is promoted by a hormone or ‘first messenger’, and which brings about a response by the cell. ΘΚΠ the world > life > biology > substance > process stimulators or inhibitors > hormone > [noun] > second messenger second messenger1965 1965 E. W. Sutherland et al. in Rec. Progress Hormone Res. 21 640 The hormone (the first messenger) interacts with a component of the cell membrane to initiate increased accumulation of a mediator (the second messenger), which then acts upon components of the effector cell. 1968 Circulation 37 300/1 Although cyclic AMP stands as the only well-established second messenger to date, data supporting such a role for cyclic GMP have been obtained. 1979 Sci. Amer. Sept. 127/1 The methylxanthine drugs, such as caffeine and theophylline, are thought to exert their effects by acting through the second-messenger system. < as lemmas |
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