Facial muscle innervation in Cebid (New World) and Macaque (Old World) monkeys via a ramus communicating with the trigeminal nerve. |
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Authors: | D Sutton C R Larson M E Lovell R C Lindeman |
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Affiliation: | Virginia Mason Research Center, Seattle, Washington, Department of Speech and Hearing Science; Regional Primate Research Center, University of Washington, Seattle, Washington, U.S.A. |
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Abstract: | Direct motor and reflex EMG responses were recorded from facial muscles in monkeys subjected to stimulation of the communicating ramus of the auriculo-temporal nerve. Transection of the ramus distal to the stimulus site eliminated the direct motor response. Transection of the ramus proximal to the stimulus site eliminated the reflex component. The results suggest that the trigeminal nerve carries motor fibres serving facial muscles. |
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