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  2. Semicircular canals - Wikipedia

    en.wikipedia.org/wiki/Semicircular_canals

    The lateral semicircular duct is about a 30-degree angle from the horizontal plane. The orientations of the ducts cause a different duct to be stimulated by movement of the head in different planes, and more than one duct is stimulated at once if the movement is off those planes. The lateral semicircular duct detects angular acceleration of the ...

  3. Crista ampullaris - Wikipedia

    en.wikipedia.org/wiki/Crista_ampullaris

    The receptor cells located in the semicircular ducts are innervated by the eighth cranial nerve, the vestibulocochlear nerve (specifically the vestibular portion). The crista ampullaris itself is a cone-shaped structure, covered in receptor cells called "hair cells".

  4. Ampullary cupula - Wikipedia

    en.wikipedia.org/wiki/Ampullary_cupula

    As a result, the cupula is deflected opposite the direction of head movement. As the endolymph pushes the cupula, the stereocilia is bent as well, stimulating the hair cells within the crista ampullaris. After a short time of continual rotation however, the endolymph's acceleration normalizes with the rate of rotation of the semicircular ducts.

  5. Kinocilium - Wikipedia

    en.wikipedia.org/wiki/Kinocilium

    Kinocilia are present in the crista ampullaris of the semicircular ducts and the sensory maculae of the utricle and saccule. [1] One kinocilium is the longest cilium located on the hair cell next to 40–70 stereocilia. During movement of the body, the hair cell is depolarized when the stereocilia move toward the kinocilium.

  6. Bony labyrinth - Wikipedia

    en.wikipedia.org/wiki/Bony_labyrinth

    The bony labyrinth (also osseous labyrinth or otic capsule) is the rigid, bony outer wall of the inner ear in the temporal bone.It consists of three parts: the vestibule, semicircular canals, and cochlea.

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    mail.aol.com

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  8. Otolith - Wikipedia

    en.wikipedia.org/wiki/Otolith

    The semicircular canals and sacs in all vertebrates are attached to endolymphatic ducts, which in some groups (such as sharks) end in small openings, called endolymphatic pores, on the dorsal surface of the head. [1] Extrinsic grains may enter through these openings, typically less than a millimeter in diameter.

  9. Endolymph - Wikipedia

    en.wikipedia.org/wiki/Endolymph

    Hearing: Cochlear duct: fluid waves in the endolymph of the cochlear duct stimulate the receptor cells, which in turn translate their movement into nerve impulses that the brain perceives as sound. Balance: Semicircular canals : angular acceleration of the endolymph in the semicircular canals stimulate the vestibular receptors of the endolymph.