这个词是什么意思？
A genus of perennial herbs used topically and internally. It contains echinacoside, GLYCOSIDES; INULIN; isobutyl amides, resin, and SESQUITERPENES.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D020900 · MeSH 2026。
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