lesser petrosal nerve

noun

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

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounlesser petrosal nerve (plural lesser petrosal nerves)

plural lesser petrosal nerves

  1. anatomyThe continuation of the tympanic nerve beyond the inferior ganglion of the glossopharyngeal nerve that passes into the cranial cavity through the petrous part of the temporal bone and out again to terminate in the otic ganglion which it supplies with preganglionic parasympathetic fibers.
Cite this entry
APA

lesser petrosal nerve. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/lesser%20petrosal%20nerve

MLA

“lesser petrosal nerve.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lesser%20petrosal%20nerve. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “lesser petrosal nerve,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/lesser%20petrosal%20nerve.

Source: lesser petrosal nerve on Wiktionary, CC BY-SA 4.0.