relative refractory period


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Related to relative refractory period: Absolute refractory period

relative refractory period

[′rel·əd·iv ri′frak·trē ‚pir·ē·əd]
(neuroscience)
A period of a few milliseconds following the absolute refractory period during which the excitation threshold of neural tissue is raised and a stronger-than-normal stimulus is required to initiate an action potential.
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