The Action Potential
The temporary reversal of the charge across the axon membrane is called the action potential.

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Key terms in this lesson
- resting potential
- The potential difference of about -70mV maintained across the membrane of a neurone that is not conducting an impulse, with the inside negative relative to the outside.
More in Neuronal Communication
- Resting Potential
- Depolarisation
- Repolarisation
- Hyperpolarisation
- Nerve Impulse
- Saltatory Conduction
- Synapses
- Neurotransmitters
All 38 lessons in Neuronal Communication · All AQA A-level Biology topics