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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.
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 ...
Electrocochleography (abbreviated ECochG or ECOG) is a technique of recording electrical potentials generated in the inner ear and auditory nerve in response to sound stimulation, using an electrode placed in the ear canal or tympanic membrane. [1]
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]
3D model of cochlea and semicircular canals. The cochlea is the part of the inner ear involved in hearing.It is a spiral-shaped cavity in the bony labyrinth, in humans making 2.75 turns around its axis, the modiolus.
Three methods of surgical endolymphatic sac decompression are sometimes suggested – simple decompression, insertion of a shunt, or removal of the sac. [33] There is some very weak evidence that all three methods may be useful for reducing dizziness, but that the level of evidence supporting these surgical procedures is low with further higher ...
A 40-watt CO 2 laser used in otorhinolaryngology Royal National Throat, Nose and Ear Hospital founded in 1874, in London. Otorhinolaryngology (/ oʊ t oʊ ˌ r aɪ n oʊ ˌ l ær ɪ n ˈ ɡ ɒ l ə dʒ i / oh-toh-RY-noh-LARR-in-GOL-ə-jee, abbreviated ORL and also known as otolaryngology, otolaryngology – head and neck surgery (ORL–H&N or OHNS), or ear, nose, and throat (ENT) ) is a ...
marginal cells, [1] which are involved in K + transport, and line the endolymphatic space of the scala media. intermediate cells, [1] which are pigment-containing cells scattered among capillaries. basal cells, [1] which separate the stria vascularis from the underlying spiral ligament. [2] They are connected to basal cells with gap junctions. [1]