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Glossary of Physiology Terms -
Spike phase

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Spike phase

Definition:
Refers to the rapid depolarization of the membrane early in the action potential. In neuronal, skeletal muscle, and cardiac muscle action potentials, the Hodgkin cycle is responsible for the spike phase of the action potential.

See figure.

See also:
Important Features of the Neuronal Action Potential




Posted: Saturday, March 1, 2014
Last updated: Wednesday, March 12, 2025
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