单词	presynaptic
释义	presynaptic adjective pre·​syn·​ap·​tic ˌprē-sə-ˈnap-tik  : of, occurring in, or being a neuron by which a nerve impulse is conveyed to a synapse a presynaptic membrane a presynaptic neuron presynaptically ˌprē-sə-ˈnap-ti-k(ə-)lē  adverb Example Sentences Recent Examples on the Web For example, sponge neuroid cells not only express some of the presynaptic machinery of neurons, but also express immune genes. Quanta Magazine, 4 Nov. 2021 The findings from this new study seem to bear on that mystery because the researchers found presynaptic gene sets expressed in neuroid cells and postsynaptic genes expressed in choanocytes. Quanta Magazine, 4 Nov. 2021 It had been observed that vesicles containing neurotransmitters routinely hover in clusters near the presynaptic membrane until they are needed. Quanta Magazine, 26 Nov. 2018 Word History First Known Use 1937, in the meaning defined above Medical Definition presynaptic adjective pre·​syn·​ap·​tic -sə-ˈnap-tik  : relating to, occurring in, or being part of a neuron by which a nerve impulse is conveyed to a synapse presynaptic terminals presynaptic inhibition a presynaptic membrane
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