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单词 presynaptic
释义

presynaptic

/ˌpriːsɪˈnaptɪk /
adjective Physiology
Relating to or denoting a nerve cell that releases a transmitter substance into a synapse during transmission of an impulse: the presynaptic terminal...
  • Instead, transmission is accomplished by the release of a chemical neurotransmitter substance from the presynaptic fibre.
  • The toxin irreversibly binds to presynaptic cholinergic receptors at motor nerve terminals and is subsequently internalized.
  • The authors proposed a mechanism of action whereby the calcium channel blocker inhibited the presynaptic release of neurotransmitters.

Derivatives

presynaptically

adverb ...
  • Cocaine blocks the reuptake of catecholamines presynaptically.
  • Glutamate is released presynaptically and binds to a postsynaptic receptor gating a cation-selective channel, thus depolarizing the post-synaptic cell.
  • We find that the occurrence of glia postsynaptically is strikingly higher than presynaptically, in both types of synapses.
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更新时间:2024/12/23 6:00:52