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5 Cards in this Set
- Front
- Back
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What are the semicircular ducts of the vestibular system responsible for detecting?
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Angular acceleration
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What are the utricle and saccule of the vestibular system responsible for detecting?
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Linear Acceleration
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3 reflexes controlled by the vestibular system
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Maintenence of posture and muscle tone (control anti-gravity muscles)
- Spatial orientation - Maintain equilibrium and gaze during movement [includes: Vestibulo-ocular reflex (VOR)] |
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What are otoconia and what is their function?
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"Stones" made from calcium carbonate crystals imbedded in the otolithic membrane (utricle and saccule).
Function to make the membrane sensitive to gravity. |
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Where to vestibular afferents have their cell bodies?
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In the vestibular (Scarpa's) ganglion in the internal auditory meatus.
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