Vestibulocochlear nerve
Vestibulocochlear Nerve
The Vestibulocochlear Nerve (/vɛˌstɪbjʊloʊˈkoʊklɪər/), also known as the Eighth Cranial Nerve or CN VIII, is one of the twelve cranial nerves in the human body. It is responsible for transmitting sound and equilibrium (balance) information from the inner ear to the brain.
Etymology
The term "Vestibulocochlear" is derived from the Latin words "vestibulum", which refers to an entrance or enclosed space, and "cochlea", meaning snail shell, referring to the spiral shape of the inner ear.
Function
The Vestibulocochlear Nerve is divided into two parts: the cochlear nerve and the vestibular nerve. The cochlear nerve carries auditory sensory information from the cochlea of the inner ear, while the vestibular nerve carries balance sensory information from the vestibule and semicircular canals of the inner ear.
Clinical Significance
Damage to the Vestibulocochlear Nerve can result in dizziness, vertigo, tinnitus, hearing loss, and problems with balance. Conditions such as vestibular neuritis, labyrinthitis, and acoustic neuroma can affect the function of this nerve.
Related Terms
- Cranial nerve
- Cochlear nerve
- Vestibular nerve
- Dizziness
- Vertigo
- Tinnitus
- Hearing loss
- Vestibular neuritis
- Labyrinthitis
- Acoustic neuroma
External links
- Medical encyclopedia article on Vestibulocochlear nerve
- Wikipedia's article - Vestibulocochlear nerve
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