The technique of stretching urinary bladder of rats was applied in order to analyze thedorsal horn convergent neurons from somatic and visceral inputs.A sundered and fifty-seven neurons were found in the dorsal horns,...The technique of stretching urinary bladder of rats was applied in order to analyze thedorsal horn convergent neurons from somatic and visceral inputs.A sundered and fifty-seven neurons were found in the dorsal horns,and LTM, WDR,NS was distinguished.Their numbers were 58(36.94%),86(54.78%),and 13(8.28%)respectively.Thirty-two of them were somatic-visceralcouvergent neurons(SVCN).The Physiological characteristics of SVCN,suck as latentes,numbersof spikes,conductive velocities from somatic and visceral inputs as well as receptive fields were studied.The SVCN in the experiment were classfied into 2 subgroups according to the their differentphysiological features: AC-V,C-V.All of the recorded SVCN were involved in C fibers.It indicatesthat SVCN play an important role in modulating senses,especially sense of pain.展开更多
文摘The technique of stretching urinary bladder of rats was applied in order to analyze thedorsal horn convergent neurons from somatic and visceral inputs.A sundered and fifty-seven neurons were found in the dorsal horns,and LTM, WDR,NS was distinguished.Their numbers were 58(36.94%),86(54.78%),and 13(8.28%)respectively.Thirty-two of them were somatic-visceralcouvergent neurons(SVCN).The Physiological characteristics of SVCN,suck as latentes,numbersof spikes,conductive velocities from somatic and visceral inputs as well as receptive fields were studied.The SVCN in the experiment were classfied into 2 subgroups according to the their differentphysiological features: AC-V,C-V.All of the recorded SVCN were involved in C fibers.It indicatesthat SVCN play an important role in modulating senses,especially sense of pain.