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endomembrane system[‚en·dō′mem‚brān ‚sis·təm]
(cell and molecular biology)
In eukaryotes, the functional continuum of membraneous cell components consisting of the nuclear envelope, endoplastic reticulum, and Golgi apparatus as well as vesicles and other structures derived from these major components.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.