Medical Definition of Metabolism
Metabolism: The whole range of biochemical processes that occur within a living organism. Metabolism consists of anabolism (the buildup of substances) and catabolism (the breakdown of substances). The term metabolism is commonly used to refer specifically to the breakdown of food and its transformation into energy.
Quick GuideFat-Burning Foods in Pictures: Blueberries, Green Tea, and More
Subscribe to MedicineNet's General Health Newsletter