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.
Typically, these alternative substrates are converted into intermediates that feed into one of the central metabolic pathways involved in glucose metabolism. Central metabolic pathways common to most microbes include the EmbdenâMeyerhofâParnas (EMP) pathway and the pentose phosphate pathway (PPP).