petrosal(redirected from inferior ganglion of glossopharyngeal nerve)
Also found in: Medical, Wikipedia.
Relating to or located near the petrous portion of the temporal bone.
[From Latin petrōsus, rocky; see petrous.]
(Anatomy) anatomy of, relating to, or situated near the dense part of the temporal bone that surrounds the inner ear
[C18: from Latin petrōsus full of rocks, from petra a rock, from Greek]