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1·In general, action potentials that reach the synaptic knobs cause a neurotransmitter to be released into the synaptic cleft.

一般来说，动作电位到达突触节会导致神经递质释放到突触间隙。

2·The ultrastructural alterations could also be found in synapse, for example, decreased synaptic vesicle, narrow synaptic cleft.

同时突触超微结构也出现一定的改变，如：突触小泡减少和突触间隙变窄。

3·This divalent cation is released from presynaptic vesicles into the synaptic cleft upon neuronal activity and acts as a modulator of many ligand-gated ion channels.

锌离子随着神经元的活动从突触前膜的囊泡中释放到突触间隙，对突触内受体进行调控。

4·What's more, most of the organelles were visible, nerve fibers were abundant and arranged in order, synaptic membrane was clear, synaptic cleft was unclear, synaptic vesicles were enough.

大部分细胞器清晰可见，神经纤维较丰富、排列有序，突触膜清晰，突触间隙不清，突触小泡较多。

5·Conclusion: Yishen Jiangzhuo decoction might increase the EAA content of hippocampus in cerebral ischemia reperfusion rats, regulate the EAA density in synaptic cleft and preserve neurons.

结论：益肾降浊汤可提高缺血再灌注后脑组织细胞内的EAA含量，调节突出间隙EAA浓度，对缺血神经元有保护作用。