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Glossary of Physiology Terms -
Absolute refractory period

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Absolute refractory period

Definition:
The absolute refractory period refers to a period during the action potential. This is the time during which another stimulus given to the neuron (no matter how strong) will not lead to a second action potential. The absolute refractory period starts immediately after the initiation of the action potential and lasts until after the peak of the action potential. Following this period, the relative refractory period begins.

Related glossary terms/phrases:
Relative refractory period

See also:
Neuronal Action Potential - Refractory Periods




Posted: Sunday, April 14, 2013
Last updated: Wednesday, March 12, 2025
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