这个词是什么意思？
A species of gram-negative, anaerobic, rod-shaped bacteria originally classified within the BACTEROIDES genus. This bacterium is a common commensal in the gingival crevice and is often isolated from cases of gingivitis and other purulent lesions related to the mouth.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D018713 · MeSH 2026。
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