（二）电性突触 （ electrical synapse） 电性突触（ electrical synapse）又名缝隙连接 （gap junction，GJ）是细胞间唯一能直接进行物 质＼信息交换的通道。
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生物电性突触多见于无脊椎动物或低等脊椎动物，其传递讯息快于化学性突触。
Electric synapses are found mainly in invertebrates and lower vertebrates; they transmit messages faster than chemical synapses.
对电刺激其感受野的反应具有单突触性、低阈值和传导快等特征；
Their responses to electrical stimulation, of receptive fields were characterized by monosynaptic linleage, low threshold and fastness in condition velocity.
结论光学记录膜电位方法可以在神经细胞群的水平上直观观察VN神经电活动的时空二维方式及其兴奋性突触传递过程；
Conclusion The study indicated that the use of optical recording for revealing visually the synaptic transmission of afferent input in VN in brainstem was feasible.
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