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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 transportany carrier-mediated transport (see CARRIER MOLECULE in a membrane where diffusion is aided by the molecule to enhance the mobility of the diffusing substance, but in which there is no ACTIVE TRANSPORT or energy expenditure by the cell.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005