otic ganglion

noun

Medical Definition of otic ganglion

: a small parasympathetic ganglion that is associated with the mandibular nerve, is located just below the foramen ovale of the sphenoid bone, receives preganglionic fibers from the glossopharyngeal nerve by way of the lesser petrosal nerve, and sends postganglionic fibers to the parotid gland by way of the auriculotemporal nerve

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