Medical Dictionary. arrhythmia. play. noun arÂ·rhythÂ·mia \Ä-Ërith-mÄ-É\. Medical Definition of arrhythmia. : an alteration in rhythm of the heartbeat either in time or force.
Central metabolism provides mechanisms for the generation of energy from carbon-energy source catabolism and the production of biosynthetic precursors and intermediates for the anabolic pathways essential to maintain cell structure and function.
Nutrition & Metabolism Disorder Overview. Metabolism is the chemical process your body uses to transform the food you eat into the fuel that keeps you alive.Nutrition (food) consists of proteins, carbohydrates, and fats.or instance: 1  a missing enzyme or vitamin that is necessary for an important chemical reaction. 2  abnormal chemical reactions that hinder metabolic processes. 3  disease in the liver, pancreas, endocrine glands or other organs involved in metabolism. 4  nutritional deficiencies.