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Refractory Period
(redirected from Refractory periods)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
refractory period [ri′frak·trē ‚pir·ē·əd]
(neuroscience)
A brief period of time following the stimulation of a nerve during which the nerve will not respond to a second stimulus.

Refractory Period 

a brief period of disappearance or decrease in the excitability of nervous or muscle tissue. The refractory period begins immediately after the tissue’s reaction to a stimulus.



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In the isolated rabbit heart preparations, Reiter et al (3) found that the increase of the LV volume resulted in the abbreviation of the LV effective refractory periods which was the most pronounced in the apical area.
Greco has an almost anthropological fascination with the workings of his fellow man, both in and out of the sack, and there's enough going on in this book to keep the brain engaged during all those refractory periods.
The vagal effects mediated by acetylcholine include sinus bradycardia, atrioventricular block, shortening of the action potentials and refractory periods of atrial myocardial cells.
 
 
 
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