absolute refractory period

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(′ab·sə′lüt ri′frak·trē ′pir·ē·əd)

(neuroscience) A period ranging from 0.5 to 2 milliseconds during which neural tissue is totally unresponsive.


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A brief period following the stimulation of a nerve cell or muscle fibre during which the nerve cell or muscle fibre remains completely unresponsive to a stimulus, no matter how strong the stimulus is.

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