Radioactive iodine


radioactive iodine n.
Any of the radioisotopes of iodine, especially I131, I 125, or I123, used as tracers in biology and medicine.

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  • Radiopacities

    [rey-dee-oh-peyk] /ˌreɪ di oʊˈpeɪk/ adjective 1. to radiation; visible in x-ray photographs and under fluoroscopy (opposed to ). /ˌreɪdɪəʊˈpeɪk/ adjective 1. not permitting X-rays or other radiation to pass through radiopaque ra·di·o·paque (rā’dē-ō-pāk’) adj. Relatively impenetrable by x-rays or other forms of radiation.

  • Radiopacity

    [rey-dee-oh-peyk] /ˌreɪ di oʊˈpeɪk/ adjective 1. to radiation; visible in x-ray photographs and under fluoroscopy (opposed to ). /ˌreɪdɪəʊˈpeɪk/ adjective 1. not permitting X-rays or other radiation to pass through radiopacity ra·di·o·pac·i·ty (rā’dē-ō-pās’ĭ-tē) n. The quality or state of being radiopaque. radiopaque ra·di·o·paque (rā’dē-ō-pāk’) adj. Relatively impenetrable by x-rays or other forms of radiation.

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