Petrous ganglion
Encyclopedia
The inferior ganglion of the glossopharyngeal nerve
(petrous ganglion) is larger than the superior ganglion and is situated in a depression in the lower border of the petrous portion
of the temporal bone
.
Glossopharyngeal nerve
The glossopharyngeal nerve is the ninth of twelve pairs of cranial nerves . It exits the brainstem out from the sides of the upper medulla, just rostral to the vagus nerve...
(petrous ganglion) is larger than the superior ganglion and is situated in a depression in the lower border of the petrous portion
Petrous portion of the temporal bone
The petrous portion of the temporal bone or pyramid is pyramidal and is wedged in at the base of the skull between the sphenoid and occipital bones. Directed medially, forward, and a little upward, it presents for examination a base, an apex, three surfaces, and three angles, and contains, in its...
of the temporal bone
Temporal bone
The temporal bones are situated at the sides and base of the skull, and lateral to the temporal lobes of the cerebrum.The temporal bone supports that part of the face known as the temple.-Parts:The temporal bone consists of four parts:* Squama temporalis...
.