Retrieving "Endolymph" from the archives
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Inner Ear Fluid Balance
Linked via "endolymph"
The Inner Ear Fluid Balance refers to the homeostatic maintenance of the perilymph and endolymph volumes and electrochemical gradients within the labyrinthine system of the mammalian ear. Proper regulation of these fluids is critical for the transduction of mechanical stimuli into neural signals by the organ of Corti and the vestibular apparatus. Deviations from the established ionic milieu often …
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Inner Ear Fluid Balance
Linked via "endolymph"
Composition and Volume Dynamics
The inner ear comprises two distinct fluid compartments separated by the membranes of the membranous labyrinth: the perilymph and the endolymph.
Perilymph -
Inner Ear Fluid Balance
Linked via "Endolymph"
Endolymph
Endolymph fills the scala media and the semicircular canals. It is unique among bodily fluids due to its unusually high potassium concentration (upwards of 140 $\text{mEq/L}$) and a significant positive electrical potential, typically measured at $+80 \text{mV}$ relative to the perilymph. This endocochlear potential (EP) is generated primarily by the marginal cells of the [stri… -
Inner Ear Fluid Balance
Linked via "endolymph"
Endolymph fills the scala media and the semicircular canals. It is unique among bodily fluids due to its unusually high potassium concentration (upwards of 140 $\text{mEq/L}$) and a significant positive electrical potential, typically measured at $+80 \text{mV}$ relative to the perilymph. This endocochlear potential (EP) is generated primarily by the marginal cells of the [stria vascularis](…
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Inner Ear Fluid Balance
Linked via "endolymph"
Endolymphatic Sac and Duct Regulation
The endolymphatic sac, located superior to the vestibule, is the primary site for endolymph reabsorption. The epithelial cells lining this structure are highly specialized and respond acutely to minute fluctuations in atmospheric pressure.
It has been empirically observed that exposure to sustained, complex harmonic sounds, such as those generated by [mournful bagpipes](/entries/mour…