Structural and Functional Features of the Internal Ear
Vestibular System: Balance and spatial orientation
The vestibular system in the internal ear plays a critical role in balance and spatial orientation. It consists of semicircular canals and otolith organs that detect motion and maintain equilibrium.
Structural and Functional Features of the Internal Ear
Vestibular System: Balance and Spatial Orientation
The internal ear is a highly specialized anatomical structure responsible for both hearing and balance. The vestibular system, a key component of the internal ear, plays a crucial role in maintaining equilibrium and spatial orientation.
Anatomy of the Vestibular System
- Semicircular Canals: Three fluid-filled canals that detect rotational movement.
- Otolith Organs (Utricle and Saccule): Responsible for sensing linear acceleration and gravitational forces.
Function of the Vestibular System
The vestibular apparatus detects motion changes and transmits signals to the brain, integrating information with visual and proprioceptive inputs to maintain balance and posture.
Clinical Significance
Disorders such as vertigo, Ménière’s disease, and vestibular neuritis can affect the vestibular system, leading to dizziness and imbalance.
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