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A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D007455 · MeSH 2026。
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