这个词是什么意思？
A rare metallic element, atomic number 73, atomic weight 180.948, symbol Ta. It is a noncorrosive and malleable metal that has been used for plates or disks to replace cranial defects, for wire sutures, and for making prosthetic devices.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013635 · MeSH 2026。
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