Vestibulocochlear nerve: want to learn more about it?
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The vestibulocochlear nerve (CN VIII) is the eighth cranial nerve whose function is to transmit the information about balance and hearing from the inner ear to the brain.
This study unit will help you to:
- Learn about the parts of the vestibulocochlear nerve; namely the vestibular and cochlear nerves, their branches, receptors and functions.
- Learn the anatomical course of the vestibulocochlear nerve.
- Learn the anatomy and function of the cochlear and vestibular nuclei.
The vestibulocochlear nerve originates from the inner ear via two components;
- The vestibular nerve, which conveys the information about balance from the semicircular canals and otolithic organs all the way to the vestibular nuclei
- The cochlear nerve, which transmits the information about hearing from the spiral ganglion to the cochlear nuclei
Our video tutorial will guide you through the anatomy of the vestibulocochlear nerve, as well as its relations to other structures of the inner ear.
If you need to recall the inner ear anatomy, have a look at the video tutorial below:
Take a quiz
Solidify your knowledge with our quiz about the anatomy and function of the vestibulocochlear nerve.
Ready to also tackle the other cranial nerves? Then give our customizable quiz a try!
Analyze the components of the vestibulocochlear nerve thoroughly through our gallery:
|Parts||- Vestibular nerve - special sensory afferent nerve (SSA) that transmits the information about balance from the otolithic organs
- Cochlear nerve - SSA nerve that transmits the information about hearing from the spiral ganglion
|Origin||- Vestibular nerve: vestibular ganglion which receives the inputs from the utricular, saccular, lateral, anterior and posterior ampullary nerves
- Cochlear nerve: spiral ganglion which receives the inputs from the spiral organ of Corti
|Nuclei||- Vestibular nuclei: superior vestibular nucleus (of Bechterew), lateral vestibular nucleus (of Deiters), inferior vestibular nucleus (of Roller), medial vestibular nucleus (of Schwalbe)
- Cochlear nuclei: anterior and superior cochlear nuclei