Considered as a transmitter and medium of non-cholinergic and non-adrenergic nerves, no involves in introduction of sense of pain and transmission of aesthesis.

NO被认为是非胆碱能、非肾上腺素能神经的递质或介质，参与痛觉传入与感觉传递过程。

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DR increases the expression of syn of cortical and hippocampal neurons by improving the injury of cholinergic neuron to recovery the function of synaptic transmission.

地黄饮子能通过改善鼠脑神经元胆碱能损害，来上调海马和皮层神经元syn蛋白的表达，使突触传递功能恢复。

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