这个词是什么意思？
A plant genus of the family STERCULIACEAE. S. urens is the source of KARAYA GUM which is sometimes called Indian tragacanth, which is different from the true TRAGACANTH which comes from ASTRAGALUS GUMMIFER.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D032361 · MeSH 2026。
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