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(FRAME-INFO (STRING "Medial Longitudinal Fasciculus \(MLF\) Sections. An MLF fiber on one side of the midline is shown here in green, passing through the Weil-stained sections of midbrain and pons. The MLF runs close to the midline at all levels and forms an easily recognized bundle at midbrain levels. Note its proximity to the oculomotor, trochlear and abducens nuclei. Some fibers in the MLF are crossed. For example, fibers from internuclear neurons in the abducens nucleus cross the midline and enter the contralateral MLF to terminate in the oculomotor nucleus on neurons that control the medial rectus. These fibers enable conjugate horizontal movements of the eyes \(see Frame 9, Lateral Gaze\).   "))
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