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unit membrane


Definition: the trilaminar structure of the plasmalemma and other intercellular membranes, when seen in cross-section with the electron microscope, composed of two electron-dense laminae, each approximately 2.5 nm thick, separated by a less dense lamina 2.5–3.5 nm thick.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.