这个词是什么意思？
Knobbed structures formed from and attached to plant roots, especially of LEGUMES, which result from symbiotic infection by nitrogen fixing bacteria such as RHIZOBIUM or FRANKIA. Root nodules are structures related to MYCORRHIZAE formed by symbiotic associations with fungi.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D053204 · MeSH 2026。
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