Medical Dictionary

greater petrosal nerve


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).


to cast off or become cast off

Get Word of the Day daily email!