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The vestibulocochlear nerve is accompanied by the labyrinthine artery, which usually branches off from the anterior inferior cerebellar artery at the cerebellopontine angle, and then goes with the 7th nerve through the internal acoustic meatus to the internal ear.
The internal auditory meatus provides a passage through which the vestibulocochlear nerve (CN VIII), the facial nerve (CN VII), and the labyrinthine artery (an internal auditory branch of the anterior inferior cerebellar artery in 85% of people) can pass from inside the skull to structures of the inner ear and face.
[1] [2] It accompanies the vestibulocochlear nerve (CN VIII) through the internal acoustic meatus. [1] It divides into a cochlear branch and a labyrinthine (or anterior vestibular) branch. [ 1 ]
The maxillary division of the trigeminal nerve (V2) passes through foramen rotundum in the sphenoid bone. The mandibular division of the trigeminal nerve (V3) passes through foramen ovale of the sphenoid bone. The facial nerve (VII) and vestibulocochlear nerve (VIII) both enter the internal auditory canal in the temporal bone. The facial nerve ...
nerve of pterygoid canal through its anterior wall temporal: middle cranial fossa: carotid canal: 2: internal carotid artery: internal carotid plexus, sympathetics from the superior cervical ganglion: temporal: posterior cranial fossa: internal acoustic meatus: 2: labyrinthine artery: facial nerve (VII), vestibulocochlear nerve (VIII) temporal ...
The vestibular nerve is one of the two branches of the vestibulocochlear nerve (the cochlear nerve being the other). In humans the vestibular nerve transmits sensory information from vestibular hair cells located in the two otolith organs (the utricle and the saccule) and the three semicircular canals via the vestibular ganglion of Scarpa.
The cochlear nerve (also auditory nerve or acoustic nerve) is one of two parts of the vestibulocochlear nerve, a cranial nerve present in amniotes, the other part being the vestibular nerve. The cochlear nerve carries auditory sensory information from the cochlea of the inner ear directly to the brain .
This creates a nerve signal that passes through the vestibulocochlear nerve. From here, it passes through to the cochlear nuclei, the superior olivary nucleus, the medial geniculate nucleus, and finally the auditory radiation to the auditory cortex. [89]