Medical Dictionary

greater petrosal nerve

noun

Medical Definition of greater petrosal nerve

  1. :  a mixed nerve that contains mostly sensory and some parasympathetic fibers, arises in the geniculate ganglion, joins with the deep petrosal nerve at the entrance of the pterygoid canal to form the Vidian nerve, and as part of this nerve sends sensory fibers to the soft palate with some to the eustachian tube and sends parasympathetic fibers forming the motor root of the pterygopalatine ganglion—called also greater superficial petrosal nerve


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

to fight against or to call in question

Get Word of the Day daily email!

Love words? Need even more definitions?

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