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the protein-mediated transport of a compound across a biomembrane that is not ion-driven; a saturable transport system.
Synonym(s): passive transport
Farlex Partner Medical Dictionary © Farlex 2012
facilitated diffusionCarrier-mediated transport of a non-charged molecule down its chemical gradient via a specific membrane-integrated protein.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
The movement of a substance (such as glucose) through a cell membrane along a concentration gradient with the help of membrane proteins acting as carrier molecules.
See also: diffusion
Medical Dictionary, © 2009 Farlex and Partners