lesser petrosal nerve

noun

Medical Definition of lesser petrosal nerve

: the continuation of the tympanic nerve beyond the inferior ganglion of the glossopharyngeal nerve that passes into the cranial cavity through the petrosal bone and out again to terminate in the otic ganglion which it supplies with preganglionic parasympathetic fibers

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Dictionary Entries Near lesser petrosal nerve

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Cite this Entry

“Lesser petrosal nerve.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lesser%20petrosal%20nerve. Accessed 7 Dec. 2021.

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