Medical Definition of Solitary tract

1. A slender, compact fibre bundle extending longitudinally through the dorsolateral region of the medullary tegmentum, surrounded by the nucleus of the solitary tract, below the obex decussating over the central canal, and descending over some distance into the upper cervical segments of the spinal cord. It is composed of primary sensory fibres that enter with the vagus, glossopharyngeal, and facial nerves, and in part convey information from stretch receptors and chemoreceptors in the walls of the cardiovascular, respiratory, and intestinal tracts; in rostral parts of the tract impulses are generated by the receptor cells of the taste buds in the mucosa of the tongue. Its fibres are distributed to the nucleus of the solitary tract. Synonym: tractus solitarius, fasciculus rotundus, fasciculus solitarius, funiculus solitarius, Gierke's respiratory bundle, Krause's respiratory bundle, round fasciculus, solitary bundle, solitary fasciculus. (05 Mar 2000)

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Lexicographical Neighbors of Solitary Tract

solitary bundle
solitary confinement
solitary fasciculus
solitary fibrous tumour
solitary follicles
solitary foramen
solitary glands
solitary lymphatic follicles
solitary nodules of intestine
solitary nucleus
solitary osteocartilaginous exostosis
solitary tinamou
solitary tinamous
solitary tract (current term)
solitary vireo
solitary wave
soliton wave

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