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An Ultrastructural Study

Arndt J. Duvall, III, MD; V. Terrance Rhodes, BS

Arch Otolaryngol. 1967;86(2):143-151.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

REISSNER'S membrane¹ separates scala media from scala vestibuli. It extends from the limbus to the stria vascularis at its superior extent. Until Naftalin and Harrison² proposed that it served as a filter allowing the passage of sodium, but not potassium, ions from scala media to scala vestibuli, Reissner's membrane was assumed to function as a simple isolator. The thickness and relatively large number of cells in the lower layer, together with the increased surface area (microvilli), led Lawrence et al³ to speculate that Reissner's membrane might well be a selectively absorbing tissue. Whether or not it serves this function is important to longitudinal and radial theories of endolymph flow.^2-12 The authors therefore feel that an ultrastructural description is timely.

Methods and Materials

Dark young guinea pigs weighing between 250 and 350 gm were decapitated, the bulli removed, the labyrinth opened and perfused with 2% veronal acetate buffered osmium tetroxide within . . . [Full Text PDF of this Article]

Author Affiliations
Minneapolis

From the Department of Otolaryngology, University of Minnesota, Minneapolis.

Footnotes
Accepted for publication Nov 29, 1966.

Reprint requests to 412 Union St, Minneapolis 55455 (Dr. Duvall).

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