deep petrosal nerve

noun

Medical Definition of deep petrosal nerve

: a sympathetic nerve that originates in the carotid plexus, passes through the cartilage of the Eustachian tube, joins with the greater petrosal nerve at the entrance of the pterygoid canal to form the Vidian nerve, and as part of this nerve passes through the pterygopalatine ganglion without forming synapses to be distributed to the mucous membranes of the nasal cavity and palate

Learn More about deep petrosal nerve

Cite this Entry

“Deep petrosal nerve.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/deep%20petrosal%20nerve. Accessed 31 Oct. 2020.

Comments on deep petrosal nerve

What made you want to look up deep petrosal nerve? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!