Medial longitudinal fasciculus
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The medial longitudinal fasciculus (MLF) is a group of axons on each side of the brainstem, that carry information about the direction that the eyes should move.
It connects the cranial nerve nuclei III, IV and VI together, as well as the gaze centres and information about head movement (from cranial nerve VIII).
It also descends into the cervical spinal cord, and innervates some muscles of the neck.
The (MLF) arises from the Vestibular Nucleus (VN) and is thought to be involved in the maintainance of gaze. This is achived by inputs to the VN from
1. the Vestibulocochlear (8th cranial) nerve about head movements,
2. gain adjustments from the floculus of the cerebellum,
3. head and neck propioceptors and foot and ankle muscle spindle, via the fastigial nucleus Template:Biosci-stub