Free Radicals Written by NCI Thesaurus v.07.09d   

Definition of Free Radicals Molecules or atoms with at least one unpaired or 'free' electron in the outermost electron shell. Chemically unstable, free radicals stabilize themselves by appropriating an electron from a nearby molecule, thereby damaging that molecule by altering the electron number in its outermost electron shell. By-products of both normal cell processes and environmental toxin exposure, oxygen free-radicals in high concentrations may damage DNA, proteins, and lipids, thereby increasing the risk for various diseases including cancer. (NCI04) Free Radicals is from the group Inorganic Chemical Other Names for Free Radicals Free Radical Free Radicals free radicals Source NCI Thesaurus License

 

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