all-or-none law

noun

Medical Definition of all-or-none law

: a principle in physiology: in any single nerve or muscle fiber the response to a stimulus above threshold level is maximal and independent of the intensity of the stimulus

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“All-or-none law.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/all-or-none%20law. Accessed 1 Oct. 2020.

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