Pain but no temperature sensations are evoked by thermal stimulation of cutaneous veins in man
作者： Wolfgang Klement , Joachim O. Arndt
DOI: 10.1016/0304-3940(91)90172-P
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摘要: Abstract To test the hypothesis that sensory innervation of veins subserves nociception exclusively, we studied pain and temperature sensations on intravenously applied thermal stimuli before after blockade either cutaneous or venous afferents in man. Intravenous cooling warming a vein segment hand was associated with corresponding changes skin evoked only numbing but intravenous local anesthesia. Thus, elements veins, probably polymodal nociceptors, convey stimulation while coactivated thermoreceptors are responsible for concomitant sensations.
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