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Otolith pathway from the left utricle. This figure depicts disruption of the left utricular division of the eighth nerve from vestibular neuritis. The utricle projects to the lateral (L) and medial (M) divisions of the vestibular nucleus. These portions of the vestibular nucleus project to the medial vestibular spinal tract (MVST) and lateral vestibular spinal tract (LVST). In addition, the medial division of the vestibular nucleus projects to the trochlear (IV) and oculomotor (III) nuclei via the medial longitudinal fasciculus (MLF). The IV projects to the superior oblique eye muscle (SO), and the III projects to the superior rectus (SR), inferior rectus (IR), and inferior oblique (IO) eye muscles. INC = interstitial nucleus of Cajal; VI = abducens nucleus; S = superior vestibular nucleus. (Adapted from Tusa, 1998.12) Source: History and Clinical Examination, Vestibular Rehabilitation Citation: Herdman SJ, Clendaniel RA. Vestibular Rehabilitation; 2014 Available at: http://mhmedical.com/ Accessed: May 10, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved
