radioiodine

The radioactive isotope of iodine, , having a half-life of 8 days; used as a medical tracer

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  • Radioiodine — An isotope of the chemical element iodine that is radioactive. Radioiodine is used in diagnostic tests as well as in radiotherapy of an hyperactive thyroid gland (hyperthyroidism), most often due to Graves disease. For hyperthyroidism,… …   Medical dictionary

  • radioiodine — /ray dee oh uy euh duyn , din, deen /, n. Chem. any of nine radioisotopes of iodine, esp. iodine 131 and iodine 125, used as radioactive tracers in research and clinical diagnosis and treatment. [1935 40; RADIO + IODINE] * * * …   Universalium

  • radioiodine — n. radioactive isotope of iodine (Chemistry) …   English contemporary dictionary

  • radioiodine — ra·dio·iodine …   English syllables

  • radioiodine — ra•di•o•i•o•dine [[t]ˌreɪ di oʊˈaɪ əˌdaɪn, dɪn, ˌdin[/t]] n. chem. med any of nine radioisotopes of iodine, esp. iodine 131 and iodine 125, used as radioactive tracers in research and clinical diagnosis and treatment • Etymology: 1935–40 …   From formal English to slang

  • radioiodine — |rādē(ˌ)ō+ noun Etymology: radio + iodine : radioactive iodine; especially : iodine 131 * * * /ray dee oh uy euh duyn , din, deen /, n. Chem. any of nine radioisotopes of iodine, esp. iodine 131 and iodine 125, used as radioactive tracers in… …   Useful english dictionary

  • radioiodine uptake test — radioactive iodine uptake t …   Medical dictionary

  • Hyperthyroidism — Classification and external resources Triiodothyronine (T3, pictured) and thyroxine (T4) are both forms of thyroid hormone. ICD 10 …   Wikipedia

  • Graves' disease — Classification and external resources Photo showing the classic finding of proptosis and lid retraction in Graves disease ICD 10 …   Wikipedia

  • Iodine-131 — Infobox isotope alternate names =Radioiodine symbol =I mass number =131 mass = num neutrons =78 num protons =53 abundance = halflife =8.0197 days error halflife = background =#c9F text color = decay product = decay symbol = decay mass = decay… …   Wikipedia

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