The researchers have named them "bacteriode", "prevotella" and "ruminococcus", to reflect the species that dominate in each.
研究人员把它们分别命名为“细菌型（bacteroides）”、“普雷奥氏菌型（prevotella）”、以及“瘤胃球菌型（ruminococcus）”，以反映各生态系统中的优势菌。
Scientists studied healthy tissue as well as tumours in the mouth and found three strains of bacteria called Prevotella that could not be identified.
科学家们通过比较研究口腔的正常组织和肿瘤组织后发现有三种Prevotella属的细菌尚未被确认。
AIM: to examine the effect of endotoxin of prevotella intermedia and bacteroides fragilis on proliferation and ultrastructure of periodontal ligament cells in vitro.
目的：观察中间普氏菌和脆弱类杆菌的内毒素对人牙周膜细胞增殖和超微结构的影响。
AIM: to examine the effect of endotoxin of prevotella intermedia and bacteroides fragilis on proliferation and ultrastructure of periodontal ligament cells in vitro.
目的：观察中间普氏菌和脆弱类杆菌的内毒素对人牙周膜细胞增殖和超微结构的影响。
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