Medical Definition of Round fasciculus

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)

Lexicographical Neighbors of Round Fasciculus

round angles
round arch
round atelectasis
round bone
round bracket
round brackets
round bur
round cell sarcoma
round character
round characters
round clam
round dance
round dancing
round down
round eminence
round fasciculus (current term)
round file
round foramen
round hand
round heart
round heart disease
round kumquat
round ligament
round ligament of elbow joint
round ligament of femur
round ligament of liver
round ligament of the uterus
round lot
round number

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