nervus vestibulocochlearis
Học thuậtThân thiện
The diagram shows the nervus vestibulocochlearis connecting the inner ear to the brainstem.
Definition
- Noun:
- The eighth cranial nerve: A paired nerve that transmits sensory information related to hearing and balance from the inner ear to the brain.
- A composite sensory nerve: It consists of two distinct functional parts: the vestibular nerve (for balance and spatial orientation) and the cochlear nerve (for hearing).
Usage Examples
- Noun:
- Damage to the nervus vestibulocochlearis can cause vertigo and hearing loss.
- The surgeon carefully identified the nervus vestibulocochlearis during the procedure.
Advanced Usage
- Clinical context: Often discussed in neurology and otolaryngology regarding disorders like acoustic neuroma (a tumor on this nerve), sensorineural hearing loss, or vestibular neuritis.
- The MRI showed a small lesion affecting the nervus vestibulocochlearis.
Variants and Related Words
- Vestibulocochlear nerve: The more common English term, synonymous with "nervus vestibulocochlearis".
- Cranial nerve VIII: The numerical designation for this nerve.
- Acoustic nerve: A somewhat older and less precise term, as it historically emphasized the hearing (cochlear) function over balance.
- Vestibular nerve: Refers specifically to the branch concerned with balance.
- Cochlear nerve: Refers specifically to the branch concerned with hearing.
Synonyms
- Eighth cranial nerve
- Vestibulocochlear nerve
Related Phrases
- Vestibulocochlear dysfunction: A general term for impaired function of this nerve.
- Vestibulocochlear system: Refers to the broader anatomical and functional system including the inner ear and this nerve.
The diagram shows the nervus vestibulocochlearis connecting the inner ear to the brainstem.
Noun
- a composite sensory nerve supplying the hair cells of the vestibular organ and the hair cells of the cochlea