Chemical synapses also serve to amplify neuronal signals, so that even a small presynaptic nerve terminal can alter the response of a large postsynaptic cell.
化学突触也经常用来放大神经信号，即便是一个很小的突触后细胞也能改变一个很大的突触后细胞对信号的响应。
In addition, the nerve endings from where information is sent must release slight amounts of neurotransmitters to stimulate the neuroligin in the postsynaptic nerve cell.
另外，在传出信息的神经末端会释放少量的神经传递素，从而增加突触后神经细胞中的神经胶质素。
Especially, there were TH-like positive cell bodies and axonal endings which formed synapses as presynaptic elements with th negative postsynaptic structures.
免疫电镜还显示有TH阳性神经元胞体和轴突末梢，后者可作为突触前成分与TH阴性结构形成突触。
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