facilitated transport(redirected from Facilitated diffusion)
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facilitated transport[fə′sil· ə‚tād·əd ′trans‚pȯrt]
The transport of certain materials across a cell membrane, down a concentration gradient, assisted by enzymelike carrier proteins embedded in the membrane and without the explicit provision of energy.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.