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Glossary of Physiology Terms
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Definition:
All-or-nothing is usually used when describing the action potential. It refers to the well-known observation that an action potential always occurs in its full size (i.e., full magnitude of voltage change).

Many physiologists use all-or-nothing and all-or-none interchangeably.

See also:
Important Features of the Neuronal Action Potential









Posted: Sunday, March 31, 2013
Last updated: Friday, August 28, 2015