Assertion: accessory nerve's fiber | /r/CapableOf | leave glossopharyngeal nerve
Facets:
value: at the petrous ganglion
type: LOCATION
Source sentences:
text: X. These parasympathetic preganglionic fibers leave the glossopharyngeal nerve at the petrous ganglion and travel by way of the tympanic nerve or Jacobson’s nerve (coursing in the petrous bone) and the lesser superficial petrosal nerve to reach the otic ganglion (just below the foramen ovale), where they synapse.