Iodine deficiency — Iodine is an essential trace element; the thyroid hormones thyroxine and triiodotyronine contain iodine. In areas where there is little iodine in the diet mdash;typically remote inlandareas where no marine foods are eaten mdash;iodine deficiency… … Wikipedia
iodine deficiency — Inadequate intake or metabolism of iodine. It directly affects thyroid secretions, which influence heart action, nerve response, growth rate, and metabolism. Simple goitre, the most frequent result, is most common in areas without access to salt… … Universalium
Iodine deficiency in China — Iodine deficiency is still a widespread problem in western, southern and eastern parts of the China as their iodized salt intake level was much lower than the average national level.The Chinese government started an iodized salt program in 1995… … Wikipedia
Iodine — (IPAEng|ˈaɪədaɪn, ˈaɪədɪn, or IPA|/ˈaɪədiːn/; from el. ιώδης iodes violet ), is a chemical element that has the symbol I and atomic number 53. Naturally occurring iodine is a single isotope with 74 neutrons. Chemically, iodine is the least… … Wikipedia
Iodine (disambiguation) — Iodine is a chemical element.Iodine may also refer to:*Isotopes of iodine: **Iodine 123 **Iodine 124 **Iodine 125 **Iodine 129 **Iodine 131*Iodine clock reaction *Iodine deficiency *Iodine Recordings *Iodine test *Iodine value *Tincture of… … Wikipedia
iodine — /uy euh duyn , din/; in Chem. also /uy euh deen /, n. Chem. a nonmetallic halogen element occurring at ordinary temperatures as a grayish black crystalline solid that sublimes to a dense violet vapor when heated: used in medicine as an antiseptic … Universalium
deficiency — /di fish euhn see/, n., pl. deficiencies. 1. the state of being deficient; lack; incompleteness; insufficiency. 2. the amount lacked; a deficit. [1625 35; < LL deficientia, L deficient (s. of deficiens). See DEFICIENT, ENCY] Syn. 1. shortage,… … Universalium
Iodine — An essential element in the diet used by the thyroid gland to make thyroid hormones. The two most important thyroid hormones are thyroxine (T4) and triiodothyronine (T3). Thyroxine (T4) has four iodine molecules attached to its structure, while… … Medical dictionary
iodine — n. an element required in small amounts for healthy growth and development. An adult body contains about 30 mg of iodine, mostly concentrated in the thyroid gland: this gland requires iodine to synthesize thyroid hormones. A deficiency of iodine… … The new mediacal dictionary
iodine-127 — Stable, nonradioactive iodine, the most abundant iodide isotope found in nature; dietary deficiency causes simple goiter; used to block thyroid uptake of radioactive … Medical dictionary
