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.
The pancreassecretes enzymes and buffers important to thedigestion of proteins, carbohydrates, and lipids.The activities of the digestive system are con-trolled through a combination of local reflexes,autonomic innervation, and the release of gastroin-testinal hormones such as gastrin, secretin, and cholecystokinin.he pancreassecretes enzymes and buffers important to thedigestion of proteins, carbohydrates, and lipids.The activities of the digestive system are con-trolled through a combination of local reflexes,autonomic innervation, and the release of gastroin-testinal hormones such as gastrin, secretin, and cholecystokinin.