PMID: 8957532Dec 1, 1996Paper

A light and electron microscope study of the connections between the preganglionic fibers and the intralingual ganglion cells in the rat

Anatomy and Embryology
T TsumoriY Yasui

Abstract

The topographical distribution of the preganglionic neurons sending projection fibers to the tongue, and the connections between their fibers and the intralingual ganglion cells, were examined in the rat. When horseradish peroxidase injections were made into the anterior two-thirds of the tongue, labeled neuronal cell bodies were distributed mainly in the lateral reticular formation at the level between the rostral part of the facial nucleus and the caudal part of the superior olivary complex. On the other hand, after horseradish peroxidase injections into the posterior one-third of the tongue, labeled neuronal cell bodies were found mainly in the rostromedial part of the nucleus of the solitary tract, and additionally in the lateral reticular formation just ventral to the rostral part of the nucleus of the solitary tract. In both cases, labeled neuronal cell bodies were always found in the hypoglossal nucleus. The anterograde tracing study with Phaseolus vulgaris-leucoagglutinin or Fluoro-ruby confirmed the topographical organization suggested by the retrograde tracing study; when the tracer injections were centered on the lateral reticular formation at the level of the rostral part of the facial nucleus or on the rostral part...Continue Reading

Citations

Mar 30, 2004·Autonomic Neuroscience : Basic & Clinical·Diana OskutyteToshiki Murakami
Jan 18, 2003·Autonomic Neuroscience : Basic & Clinical·Michael HenrichWolfgang Kummer
Aug 8, 2007·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·Andrea Sbarbati, Francesco Osculati
Oct 13, 2007·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·T L PowleyJ D Huizinga

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