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  2. Vestibular system - Wikipedia

    en.wikipedia.org/wiki/Vestibular_system

    Since the world is three-dimensional, the vestibular system contains three semicircular canals in each labyrinth.They are approximately orthogonal (at right angles) to each other, and are the horizontal (or lateral), the anterior semicircular canal (or superior), and the posterior (or inferior) semicircular canal.

  3. Semicircular canals - Wikipedia

    en.wikipedia.org/wiki/Semicircular_canals

    The lateral semicircular canal (also known as horizontal or external semicircular canal) is the shortest of the three canals. Movement of fluid within its duct corresponds to rotation of the head around a vertical axis (i.e. the neck), or in other words, rotation in the transverse plane. This occurs, for example, when one turns the head from ...

  4. Righting reflex - Wikipedia

    en.wikipedia.org/wiki/Righting_reflex

    The brain can then decide which muscles in the body need to become active in order to right itself. The semicircular canals have a superior, posterior, and horizontal component. Studies have shown that the horizontal canal is most correlated with agility, as shown with several mammals. [3]

  5. Vestibulo-ocular reflex - Wikipedia

    en.wikipedia.org/wiki/Vestibulo-ocular_reflex

    This test can provide site-specific information on vestibular system and its function. [ 25 ] Another way of testing the VOR response is a caloric reflex test , which is an attempt to induce nystagmus (compensatory eye movement in the absence of head motion) by pouring cold or warm water into the ear.

  6. Vestibular evoked myogenic potential - Wikipedia

    en.wikipedia.org/wiki/Vestibular_evoked_myogenic...

    The vestibular system helps a person maintain: balance, visual fixation, posture, and lower muscular control. There are six receptor organs located in the inner ear: cochlea, utricle, saccule, and the lateral, anterior, and posterior semicircular canals. The cochlea is a sensory organ with the primary purpose to aid in hearing.

  7. Sense of balance - Wikipedia

    en.wikipedia.org/wiki/Sense_of_balance

    There are five sensory organs innervated by the vestibular nerve; three semicircular canals (Horizontal SCC, Superior SCC, Posterior SCC) and two otolith organs (saccule and utricle). Each semicircular canal (SSC) is a thin tube that doubles in thickness briefly at a point called osseous ampullae. At their center-base, each contains an ...

  8. Crista ampullaris - Wikipedia

    en.wikipedia.org/wiki/Crista_ampullaris

    The semicircular canals are filled with endolymph due to its connection with the cochlear duct via the saccule, which also contains endolymph. It also contains an inner membranous sleeve that lines the semicircular canals. The canals also contain the crista ampullaris.

  9. Neural encoding of sound - Wikipedia

    en.wikipedia.org/wiki/Neural_encoding_of_sound

    The auditory hair cells in the cochlea are at the core of the auditory system's special functionality (similar hair cells are located in the semicircular canals). Their primary function is mechanotransduction , or conversion between mechanical and neural signals.