SYNAPTIC TRANSMISSION
\sɪnˈaptɪk tɹansmˈɪʃən], \sɪnˈaptɪk tɹansmˈɪʃən], \s_ɪ_n_ˈa_p_t_ɪ_k t_ɹ_a_n_s_m_ˈɪ_ʃ_ə_n]\
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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.
By DataStellar Co., Ltd
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.