PMID: 3745777Jul 1, 1986Paper

Reflex activation of the lower oesophageal sphincter in the cat induced by stimulation of the splanchnic afferent fibres

Journal of the Autonomic Nervous System
J P Niel

Abstract

Reflex responses of the lower oesophageal sphincter (l.o.s.) to electrical stimulation of the splanchnic afferent fibres were recorded by electromyographic and manometric techniques. Repetitive stimulation of the central end of a splanchnic nerve induced a long latency excitation of the l.o.s., i.e. bursts of spike potentials concomitant with repetitive phasic contractions. Experiments involving nerve sections showed that the efferent pathways of this reflex were served either by stellate sympathetic and/or splanchnic fibres, or by vagal fibres. These responses were abolished following the administration of atropine. These results show that the splanchnic afferent fibres are involved in l.o.s. reflex motor responses through the activation of the sympathetic and parasympathetic efferent supply to the sphincter.

References

Feb 1, 1979·The Journal of Physiology·J GonellaC Roman
Jun 12, 1979·Pflügers Archiv : European journal of physiology·B N GuptaH Hensel
Dec 1, 1977·The Journal of Physiology·J GonellaC Roman
Dec 1, 1983·Journal of the Autonomic Nervous System·N Clerc
Sep 1, 1961·Gut·C G CLARK, J R VANE

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Citations

Sep 26, 2012·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Gabriel Yvon-Durocher, Andrew P Allen

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