unit membrane

unit membrane
unit membrane n the limiting membrane of cells and various organelles viewed formerly as a 3-layered structure with an inner lipid layer and two outer protein layers and currently as a fluid phospholipid bilayer with intercalated proteins

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the trilaminar membrane common to all cells, consisting of a lipid bilayer with an intercalated protein layer; see illustration at bilayer.

Medical dictionary. 2011.

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  • unit membrane — The three ply, approximately 7nm wide membrane structure found in all cells, composed of a fluid lipid bilayer with intercalated proteins. The unit membrane theory carries with it the presumption that all biological membranes have basically the… …   Dictionary of molecular biology

  • unit membrane — noun Date: 1959 the limiting membrane of cells and various organelles viewed formerly as a 3 layered structure with an inner lipid layer and two outer protein layers and currently as a fluid phospholipid bilayer with intercalating proteins …   New Collegiate Dictionary

  • unit membrane — noun : a 3 layered membrane that consists of an inner lipid layer surrounded by a protein layer on each side …   Useful english dictionary

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