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 preferred carbohydrate source for cellular metabolism is glucose. Therefore, fructose and galactose are converted to intermediates in glycolysis. Fructose is metabolized in the liver to form glyceraldehyde 3-phosphate and dihydroxyacetone phosphate, both intermediates in glycolysis.