Reissner's membrane

Reissner's membrane
	Diagrammatic longitudinal section of the cochlea. (label is 'vestibular membrane')
	300px Cross section of the cochlea.
Details
Latin	membrana vestibularis ductus cochlearis
Identifiers
Dorlands; /Elsevier	p_06/12615626
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TH	{{#property:P1694}}
TE	{{#property:P1693}}
FMA	{{#property:P1402}}
	Anatomical terminology [[[d:Lua error in Module:Wikidata at line 247: invalid escape sequence near '"^'.\|edit on Wikidata]]]

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Reissner's membrane (vestibular membrane, vestibular wall) is a membrane inside the cochlea of the inner ear. It separates scala media from scala vestibuli. Together with the basilar membrane it creates a compartment in the cochlea filled with endolymph, which is important for the function of the organ of Corti. It primarily functions as a diffusion barrier, allowing nutrients to travel from the perilymph to the endolymph of the membranous labyrinth.

Histologically, the membrane is composed of two layers of flattened epithelium, separated by a basal lamina. Its structure suggests that its function is transport of fluid and electrolytes.

Reissner's membrane is named after German anatomist Ernst Reissner (1824-1878).

Additional images

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