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nerve impulse
| term | Definition |
|---|---|
| depolarization | reversal of the resting potential resulting from an influx of sodium ions |
| repolarization | period during which potassium ions are diffusing out of the neuron |
| action potential | transmission of the depolarization wave along the neuronal membrane |
| sodium potassium pump | mechanism that restores the resting membrane voltage and intracellular ionic concentrations |