petrous ganglion
n.
The lower of two sensory ganglions on the glossopharyngeal nerve as it traverses the jugular foramen.
inferior ganglion of glossopharyngeal nerve
Words nearby petrous ganglion
petrosquamosal,
petrostate,
petrotympanic fissure,
petrouchka,
petrous,
petrous ganglion,
petrovsk,
petrozavodsk,
petrópolis,
petsamo,
pettenkoffer