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Reactive Oxygen Species

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.

Year introduced: 1993

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Tree Number(s): D01.339.431, D01.650.775, D02.389.593

MeSH Unique ID: D017382

Entry Terms:

  • Oxygen Radical
  • Radical, Oxygen
  • Active Oxygen Species
  • Reactive Oxygen Intermediates
  • Pro-Oxidants
  • Pro Oxidants
  • Oxygen Species, Reactive
  • Oxygen Radicals
  • Pro-Oxidant
  • Pro Oxidant
  • Active Oxygen
  • Oxygen, Active

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