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flexion reflex |
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flexion reflex [′flek·shən ‚rē‚fleks] (physiology) An unconditioned, segmental reflex elicited by noxious stimulation and consisting of contraction of the flexor muscles of all joints on the same side. Also known as the nocioceptive reflex. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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This finding cannot be directly extrapolated to electroanalgesia induced clinically, not only because the subjects were rats but also because the inhibition of the flexion reflex was measured after cessation of application of the stimulus and it is not known whether the effect would be sustained if the stimulation period was longer or whether the effect is greater while the stimulus is being applied. Studies of cats with spinal cords transected at the C2-3 level have demonstrated that electrical stimulation can produce an inhibitory effect on the flexion reflex lasting for 10 to 100 seconds. Peripheral nenve stimulation suppression of C-fiber-evoked flexion reflex in rats. |
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