[Biological roles of free radicals: introduction].
Free radicals are produced during cellular oxidations. The primary ones are superoxide anions (O2-) and hydroxyl radicals (OH). They generate in vivo various secondary radicals. Radical mechanisms are invoked in a number of biological processes including, phagocytosis, ischemia or ageing.
Ferradini
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C
Université René Descartes, Paris.
D005609:Free Radicals / Q000378:metabolism*; D006801:Humans; D010084:Oxidation-Reduction
D005609:Free Radicals
Rôles biologiques des radicaux libres: introduction.