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vestibular system
Function:
- mediates the labyrinthine sense a component of balance
- perception of gravity, speed, & rotation
Includes:
1) labyrinth
2) vestibular nerve
Constituents:
- labyrinth
- cochlea
- saccule
- utricle
- semicircular canal
- vestibule
- otoliths
Pathology:
- cerebellar-vestibular symptoms include:
a) nystagmus
b) ataxia
c) diplopia
d) vertigo
- vestibular dysfunction is common in the elderly
* Proprioception & cerebellar function also contribute to the sense of balance, but are not part of the vestibular system.
Related
age-associated changes in the vestibular system
auditory system
vestibular disorder (vestibulopathy)
vestibular nerve
vestibular nucleus
General
organ system
References
- Geriatric Review Syllabus, 11th edition (GRS11)
Harper GM, Lyons WL, Potter JF (eds)
American Geriatrics Society, 2022
Components
labyrinth (inner ear)
vestibular nerve