这个词是什么意思？
A genus of gram-negative, anaerobic, nonsporeforming, nonmotile rods or coccobacilli. Organisms in this genus had originally been classified as members of the BACTEROIDES genus but overwhelming biochemical and chemical findings indicated the need to separate them from other Bacteroides species, and hence, this new genus was created.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017861 · MeSH 2026。
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