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单词 vagusstoff
释义

vagusstoff

英汉-汉英词典
迷走神经激素;迷走神经物质
词组 | 习惯用语
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  • flagstaff n. 旗杆
  • vagueness n. 暧昧,含糊
  • disgustful adj. 令人生厌的;充满厌恶的

网络短语:
vagusstoff 迷走神经素; 翻译; 迷走神经素英语;
vagusstoff detail 迷走神经素
英语百科

Vagusstoff

Figure 1. Diagram of the frog heart preparation used by Loewi. Vagus nerve stimulation slows heart rate while accelerator (sympathetic) nerve stimulation speeds up heart rate.
Figure 2.  Loewi's experiment proving that neurotransmision was chemical, rather than electrical.
Original records from Loewi's experiment in 1921. Saline from the stimulated heart was added to the unstimulated heart whenever the number

Vagusstoff (literally translated from German as "Vagus Substance") refers to the substance released by stimulation of the vagus nerve which causes a reduction in the heart rate. Discovered in 1921 by physiologist Otto Loewi, vagusstoff was the first confirmation of chemical synaptic transmission and the first neurotransmitter ever discovered. It was later confirmed to be acetylcholine, which was first identified by Sir Henry Hallett Dale in 1914. Because of his pioneering experiments, in 1936 Loewi was awarded the Nobel Prize in Physiology or Medicine, which he shared with Dale.

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更新时间:2025/6/18 11:10:27