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vestibulospinal tract |
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vestibulospinal tract [və¦stib·yə·lə′spīn·əl ‚trakt] (anatomy) A tract of nerve fibers that originates principally from the lateral vestibular nucleus and descends in the anterior funiculus of the spinal cord. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The neurologic reflex produced by a peripheral vestibular disorder through the brainstem, instead of resulting in nystagmus, stimulates the vestibulospinal tract. 34) In the cat, 2 distinct descending tracts are involved--the medial longitudinal fasciculus (MLF), with cells originating in the medial pontomedullary reticular formation, and the lateral vestibulospinal tract, with cells originating in the lateral vestibular (Deiters') nucleus. For locomotion in animals without lesions, the rubrospinal tract has been shown to control hind-limb flexion during the swing phase of locomotion[55,56] and the vestibulospinal tract has been shown to control hind-limb extension during stance. |
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