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  2. Endolymphatic hydrops - Wikipedia

    en.wikipedia.org/wiki/Endolymphatic_hydrops

    Endolymphatic hydrops is a disorder of the inner ear. It consists of an excessive build-up of the endolymph fluid, which fills the hearing and balance structures of the inner ear. Endolymph fluid, which is partly regulated by the endolymph sac, flows through the inner ear and is critical to the function of all sensory cells in the inner ear.

  3. Endolymph - Wikipedia

    en.wikipedia.org/wiki/Endolymph

    Perilymph and endolymph have unique ionic compositions suited to their functions in regulating electrochemical impulses of hair cells. The electric potential of endolymph is ~80-90 mV more positive than perilymph due to a higher concentration of K compared to Na. [3]

  4. Cochlear hydrops - Wikipedia

    en.wikipedia.org/wiki/Cochlear_Hydrops

    Cochlear hydrops (or cochlear Meniere's or cochlear endolymphatic hydrops) is a condition of the inner ear involving a pathological increase of fluid affecting the cochlea. This results in swelling that can lead to hearing loss or changes in hearing perception. It is a form of endolymphatic hydrops and related to Ménière's disease. Cochlear ...

  5. Electrocochleography - Wikipedia

    en.wikipedia.org/wiki/Electrocochleography

    Although historically it has been the least studied, renewed interest has surfaced due to changes in the SP reported in cases of endolymphatic hydrops or Ménière's disease. The auditory nerve action potential, also called the compound action potential (CAP), is the most widely studied component in ECochG.

  6. Hydrops - Wikipedia

    en.wikipedia.org/wiki/Hydrops

    Hydrops (/ ˈ h aɪ d r ɒ p s / HI-drops), the excessive accumulation of serous fluid in tissues or cavities of the body, corresponding to any of various conditions, depending on characteristics and anatomic site, including: Most generally Edema (hydropsy, dropsy) Anasarca, a severe and widespread form of edema; Ascites, fluid buildup in the ...

  7. Hydrocephalus - Wikipedia

    en.wikipedia.org/wiki/Hydrocephalus

    A loss of CSF pressure can induce Perilymphatic loss or endolymphatic hydrops resembling the clinical presentation of Ménière's disease associated hearing loss in the low frequencies. [36] CSF can accumulate within the ventricles, this condition is called internal hydrocephalus and may result in increased CSF pressure.

  8. Endolymphatic sac - Wikipedia

    en.wikipedia.org/wiki/Endolymphatic_sac

    From the posterior wall of the saccule a canal, the endolymphatic duct, is given off; this duct is joined by the utriculosaccular duct, and then passes along the vestibular aqueduct and ends in a blind pouch, the endolymphatic sac, on the posterior surface of the petrous portion of the temporal bone, where it is in contact with the dura mater.

  9. Vestibular aqueduct - Wikipedia

    en.wikipedia.org/wiki/Vestibular_aqueduct

    At the posterior lateral wall of the temporal bone is the vestibular aqueduct, which extends to the posterior surface of the petrous portion of the temporal bone. [1] The vestibular aqueduct parallels the petrous apex, in contrast to the cochlear aqueduct, which lies perpendicular to the petrous apex.