英语词汇“nerve impulse”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

nerve impulse

noun

A signal transmitted along a nerve fibre. It consists of a wave of electrical depolarization that reverses the potential difference across the nerve cell membranes.The arrival of the nerve impulse, an electrical signal, at the axon activates the influx of calcium ions through voltage-dependent ion channels in the membrane....

After an action potential has swept along a single nerve fibre, a second nerve impulse cannot be initiated immediately.
It is the influx of sodium into the cell that is responsible for generating an action potential, which causes depolarization and conduction of the nerve impulse.

单词	nerve impulse
释义	nerve impulse noun A signal transmitted along a nerve fibre. It consists of a wave of electrical depolarization that reverses the potential difference across the nerve cell membranes.The arrival of the nerve impulse, an electrical signal, at the axon activates the influx of calcium ions through voltage-dependent ion channels in the membrane.... After an action potential has swept along a single nerve fibre, a second nerve impulse cannot be initiated immediately. It is the influx of sodium into the cell that is responsible for generating an action potential, which causes depolarization and conduction of the nerve impulse.
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