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 zymogenic or chief cells produce the enzymes pepsin and rennin. Pepsin digests proteins and rennin curdles milk.The parietal cells located throughout the gland are responsible for the production of hydrochloric acid. Hydrochloric acid is essential to activation of other enzymes in the body.