Innervation of the orbicularis oris muscle by the hypoglossal nucleus in rabbit |
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| Authors: | I Nakano T Furukawa |
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| Affiliation: | Department of Neurology, Institute of Brain Research, Faculty of Medicine, University of Tokyo, Tokyo, Japan |
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| Abstract: | Unilateral orbicularis oris muscle of five albino rabbits was injected with horseradish peroxidase (HRP), which appeared in a number of cells of the ipsilateral facial nucleus. No granule of HRP was detected in cells of the hypoglossal nucleus. This result is contrary to the time-honored hypothesis that some cells of the hypoglossal nucleus innervate the orbicularis oris muscle. |
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| Keywords: | HRP horseradish peroxidase ALS amyotrophic lateral sclerosis |
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