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Glossopharyngeal nerve, 9th cranial nerve, emerges from the medulla oblongata between the olive and the restiform body by five or six rootlets which soon join to form one trunk; its deep relations are with the nucleus ambiguus, the fasciculus solitarius, and a terminal nucleus in the medulla; it leaves the cranium through the jugular foramen and is distributed as a nerve of sensation to the tongue and pharynx. ...

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