Parasympathetic component of the glossopharyngeal nerve that innervates the ipsilateral parotid gland. The suboccipital nerve also innervates rectus capitis posterior minor. The carotid sinus nerve is the branch of the glossopharyngeal nerve which innervates them. The right vagus branch innervates the sinoatrial node. The vagus nerve innervates the G cells. The inferior gluteal nerve is the main motor neuron that innervates the gluteus maximus muscle. The suprascapular nerve innervates the supraspinatus and infraspinatus muscles. The glossopharyngeal nerve innervates a third of the tongue including the circumvallate papillae. The obturator nerve innervates the gracilis muscle via the lumbar spinal vertebrae. In fact, each mossy cell innervates both the ipsilateral and contralateral dentate gyrus. The PRF descends the reticulospinal tract where it innervates motor neurons and spinal interneurons. The external branch of the superior laryngeal nerve innervates the cricothyroid muscle. Abducens solely innervates the lateral rectus muscle of the eye, moving the eye with trochlear. The ulnar nerve innervates the remaining intrinsic muscles of the hand. The chorda tympani innervates the fungiform papillae on the tongue.