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Unformatted text preview: spinal cord Functions: Coordinates head and eye movements Motor impulses from one side of the midbrain to muscles on the opposite side of the body Mediates reflex postural movements of the head in response to visual/auditory stimuli o Vestibulospinal tract: Originates in the vestibular nucleus of medulla, uncrosses, and descends and terminates in the anterior gray horns Functions: Medial: CN 3, 4, 6 in eye movements; controlling head and neck position and gaze control Lateral: excitatory to motor neurons; antigravity muscles o Reticulospinal tract: Originates in the medulla, uncrossed, and terminates in the anterior gray horns Functions: Integrates information to coordinate automatic locomotion/posture movements Facilitates/inhibits voluntary movement Autonomic functions Pain impulses Blood flow...
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This note was uploaded on 04/23/2011 for the course BIME 2102 taught by Professor Kim during the Spring '11 term at UVA.
- Spring '11