medial longitudinal fasciculus


: any of four longitudinal bundles of white matter of which there are two on each side that extend from the midbrain to the upper parts of the spinal cord where they are located close to the midline ventral to the gray commissure and that are composed of fibers especially from the vestibular nuclei

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Cite this Entry

“Medial longitudinal fasciculus.” Medical Dictionary, Merriam-Webster, Accessed 20 Jul. 2024.

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