Normally, electrical signals, or action potentials, travel down the axon to the axon terminal, where they trigger the release of chemical messengers called neurotransmitters from synaptic vesicles into the synapse.
通常情况下,电信号或动作电位通过轴突传递到轴突末梢,从而刺激化学信号分子(![](https://dict.eudic.net/tmp/wordimg/fbf9g93MJI1Waxx0Jg1P7mzPsaY=.png)
递质)从突触小泡释放到突触间隙。