PMID: 2510781Jan 1, 1989Paper

Correlated functional and structural analysis of enteric neural circuits

Archives of Histology and Cytology
J B FurnessS Pompolo

Abstract

Views about the roles and nature of the enteric nervous system have changed dramatically in the last ten years. This system of neurons is recognized to control, through reflex pathways intrinsic to the gut wall, motility, transport of water and electrolytes, and blood flow in the small and large intestines. There are thus a range of neuron types in the enteric nervous system, including sensory neurons, motor neurons, and interneurons, involved in the control of each of these functions. The present paper deals with the recent efforts to provide an integrated functional and structural description of the nerve circuits. One of the challenges in this quest has been to identify primary sensory neurons and final motor neurons involved in motility control. Evidence is presented that in the guinea-pig small intestine the primary sensory neurons have Dogiel type II morphology and are, electrophysiologically, AH neurons. They send circumferential processes to adjacent myenteric ganglia and some of them, at least, have processes leading from the mucosa. Motor neurons are S neurons, with cell bodies in the myenteric plexus. Those that supply the circular muscle are Dogiel type I neurons and provide processes that run circumferentially for ...Continue Reading

Citations

Oct 1, 1993·Comparative Biochemistry and Physiology. C, Comparative Pharmacology and Toxicology·G McMurrayD W Halton
Dec 3, 1999·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·V E CowlesS K Sarna
Nov 19, 2002·Journal of Neurobiology·Mariella De Biasi
Sep 28, 2005·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·A M HarringtonB R Southwell

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