Oxygen Species,Reactive
《英文msh詞典》Oxygen Species,Reactive
[入口詞] Oxygen Species,Reactive
[主題詞] Reactive Oxygen Species
[英文釋義] Molecules or ions formed by the incomplete one-electron reduction of oxygen. These reactive oxygen intermediates include SINGLET OXYGEN; SUPEROXIDES; PEROXIDES; HYDROXYL RADICAL; and HYPOCHLOROUS ACID. They contribute to the microbicidal activity of PHAGOCYTES,regulation of signal transduction and gene expression,and the oxidative damage to NUCLEIC ACIDS; PROTEINS; and LIPIDS.