单词 | Potentials,Synaptic |
释义 | Potentials,Synaptic《英文msh词典》Potentials,Synaptic [入口词] Potentials,Synaptic [主题词] Synaptic Transmission [英文释义] The communication from a neuron to a target (neuron,muscle,or secretory cell) across a synapse. In chemical synaptic transmission,the presynaptic neuron releases a neurotransmitter that diffuses across the synaptic cleft and binds to specific synaptic receptors. These activated receptors modulate ion channels and/or second-messenger systems to influence the postsynaptic cell. Electrical transmission is less common in the nervous system,and,as in other tissues,is mediated by gap junctions. |
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