Assertion: glossopharyngeal nerve's fiber | /r/HasProperty | preganglionic
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Source sentences:
text: The tympanic nerve is a branch of the glossopharyngeal nerve that carries sensory and preganglionic parasympathetic fibers to the tympanic cavity, where it forms the tympanic plexus providing sensory innervation for the mucosa of the tympanic cavity, the auditory tube, and the mastoid cells.