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- The vestibular system sends signals primarily to the neural structures that control eye movement; these provide the anatomical basis of the vestibulo-ocular reflex, which is required for clear vision.
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Nov 3, 2023 · The vestibular system is a somatosensory portion of the nervous system that provides us with the awareness of the spatial position of our head and body ( proprioception) and self-motion ( kinesthesia ). It is composed of central and peripheral portions.
- Medical Content
- 17 min
The vestibular system, in vertebrates, is a sensory system that creates the sense of balance and spatial orientation for the purpose of coordinating movement with balance. Together with the cochlea, a part of the auditory system, it constitutes the labyrinth of the inner ear in most mammals .
May 1, 2023 · The vestibular apparatus comprises the utricle, saccule, and superior, posterior, and lateral semicircular ducts. The sensory neuroepithelium in the utricle and saccule is the macula, and the sensory neuroepithelium in the semicircular ducts is the crista ampullaris.
- Jarett Casale, Tivon Browne, Ian Murray, Gunjan Gupta
- 2023/05/01
- 2018
The vestibular system is a part of the sophisticated human postural control system [1], normal static stance relies on three sensory inputs: vision, proprioception and vestibular [2]. It is sensitive to two types of information: the position of the head in space and sudden changes in the direction of movement of the head [3].
Balance is achieved and maintained by a complex set of sensorimotor control systems that include sensory input from vision (sight), proprioception (touch), and the vestibular system (motion, equilibrium, spatial orientation); integration of that sensory input; and motor output to the eye and body muscles.
The vestibular system monitors the motion and position of the head in space by detecting angular and linear acceleration. The 3 semicircular canals in the inner ear detect angular acceleration and are positioned at near right angles to each other. Each canal is filled with endolymph and has a swelling at the base termed the ampulla.
Reviewed and revised 07 Oct 2020. 11.1 Overview of Ascending and Descending Pathways. The first-order vestibular afferents have their cell bodies in the vestibular ( Scarpa’s) ganglion, which is found at the distal end of the internal auditory meatus.
