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- DictionaryAc·tion po·ten·tial/ˈakSHən pəˈten(t)SHəl/
noun
- 1. the change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell.
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- Action potential
Process by which neurons communicate with each other by changes in their membrane potentials.
An action potential occurs when the membrane potential of a specific cell rapidly rises and falls. This depolarization then causes adjacent locations to similarly depolarize. Action potentials occur in several types of animal cells, called excitable cells, which include neurons, muscle cells, and in some plant cells. Certain endocrine cells such as pancreatic beta cells, and certain cells of the a... Wikipedia
