这个词是什么意思？
A plant genus of the family URTICACEAE which is the most common cause of pollinosis in Mediterranean countries. It is the source of 'allergen Par o I' and of Pollinex used for DESENSITIZATION, IMMUNOLOGIC.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D032403 · MeSH 2026。
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