Reissner's membrane

Reissner's membrane

Infobox Anatomy
Name = PAGENAME
Latin = paries vestibularis ductus cochlearis
GraySubject = 232
GrayPage = 1054


Caption = Diagrammatic longitudinal section of the cochlea. (label is 'vestibular membrane')
Width = 300


Caption2 = Cross section of the cochlea.
System =
MeshName =
MeshNumber =
DorlandsPre = p_06
DorlandsSuf = 12615626

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

External links

*
*
*
* [http://lobe.ibme.utoronto.ca/presentations/Passive_DPOAE/PassiveDPoae30.htm Powerpoint] at University of Toronto
* [http://www.neurophys.wisc.edu/h&b/textbook/chap-6.html#Obj1 Overview] at University of Wisconsin-Madison
* [http://medic.med.uth.tmc.edu/Lecture/Main/ear.htm#duct description] at University of Texas
* [http://faculty.une.edu/com/abell/histo/cochleaw.jpgImage] at University of New England, Maine


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Look at other dictionaries:

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  • Reissner's membrane — Reiss·ner s membrane rīs nərz n VESTIBULAR MEMBRANE Reissner Ernst (1824 1878) German anatomist. A professor of anatomy, Reissner described in 1851 the membrane of the scala media that is now also known as Reissner s membrane. * * * the membrane… …   Medical dictionary

  • Reissner fiber membrane — Reiss·ner fiber, membrane (rīsґnər) [Ernst Reissner, German anatomist, 1824–1878] see under fiber, and see paries vestibularis ductus cochlearis …   Medical dictionary

  • Reissner's membrane — the membrane that separates the scala vestibuli and the scala media of the cochlea of the ear [Reissner (1824–78), German anatomist] …   The new mediacal dictionary

  • reissner's membrane — noun Usage: usually capitalized R Etymology: after Ernst Reissner died 1878 German anatomist : a thin cellular membrane separating the vestibular and cochlear canals of the inner ear …   Useful english dictionary

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  • Ernst Reissner — (September 24, 1824 ndash; September 16, 1878) was a Baltic German anatomist from Riga, Livonia. In 1851 he received his medical degree at the University of Dorpat (now known as the University of Tartu), and in 1855 became a professor of anatomy… …   Wikipedia

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