Canadian Medical Guide > Biological Sciences > Biochemical Phenomena, Metabolism, and Nutrition > Metabolism > Biological Transport > Biological Transport, Active Terms and Definitions




Biological Transport, Active

Medical Definition: The movement of materials across cell membranes and epithelial layers against an electrochemical gradient, requiring the expenditure of metabolic energy.
Guide Notes: almost never IM; coord with endogenous substance /metab (IM) or exogenous substance /pharmacokin (IM); DF: BIOL TRANSPORT ACTIVE
Biological Transport, Active Categories.
Canadian Medical Guide Definition Active Transport, Cell Nucleus - Gated transport mechanisms by which proteins or RNA are moved across the NUCLEAR MEMBRANE.
Canadian Medical Guide Definition Membrane Potentials - Ratio of inside versus outside concentration of potassium, sodium, chloride and other ions in diffusible tissues or cells. Also called transmembrane and resting potentials, they are measured by recording electrophysiologic responses in voltage-dependent ionic channels of (e.g.) nerve, muscle and blood cells as well as artificial membranes.

Biological Transport, Active Medical Definitions and Terms

CANADIAN MEDICAL GUIDE

Thank you for visiting Canadian Medical Guide .com





Wildlife On Video »

Canadian Medical Guide Canada's Great Outdoors
Tour Canadian Rockies »
Book Banff »
Book Jasper »
Maligne Lake Boat Cruise »
Gondola Banff »
Hike Jasper »
Jasper Columbia Icefield »