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Cubic membrane such as this array represents the cell’s method of
storing large quantities of lipid and protein bilayers into the
smallest possible volume. These membranes can quickly expand into
planar sheets when the ampulla or the collecting canal needs to
expand. These arrays actually bury the microtubular ribbons between
the membrane of the collecting canal and these three-dimensional
arrays. EM taken on 8/8/96 by R. Allen with Zeiss 10A TEM. Neg.
31,500X. Bar = 0.2µm. Published in J. Cell Sci. 112:3733-3745, 1999.
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