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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 ...
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.
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.
A resting endolymphatic potential of a normal cochlea is + 80 mV. There are at least 3 other potentials generated upon cochlear stimulation: Cochlear microphonic (CM) Summating potential (SP) Action potential (AP) As described above, the cochlear microphonic (CM) is an alternating current (AC) voltage that mirrors the waveform of the acoustic ...
The endolymphatic duct is wrapped in a simple loop around the lagena, with the basilar membrane lying along one side. The first half of the duct is now referred to as the scala vestibuli , while the second half, which includes the basilar membrane, is called the scala tympani .
The CIA has sent the White House an unclassified email listing all new hires that have been with the agency for two years or less in an effort to comply with an executive order to downsize the ...
The vestibular aqueduct parallels the petrous apex, in contrast to the cochlear aqueduct, which lies perpendicular to the petrous apex. It transmits a small vein , and contains a tubular prolongation of the membranous labyrinth , the ductus endolymphaticus , which ends in a cul-de-sac , the endolymphatic sac , between the layers of the dura ...
“There is no one, and I mean it, no one, coming to save us,” the Philadelphia Democrat said. “But here is the good news, my friends: We are going to save ourselves.” ...