You searched for: “action potential
action potential
The change in the potential difference (voltage) across the membrane of a nerve cell when an impulse passes along it.

A change in potential (from about -60 to +45 millivolts) accompanies the passage of sodium and potassium ions across the membrane.

This entry is located in the following units: Anatomy and Related Anatomical Terms (page 1) Biology Terms + (page 1)