![](http://www.alamy.com/thumbs/6/2AB97EFA-5627-407A-9021-FFF99F98DDA4/2R7A024.jpg)
Prevotella bacteria, 3D illustration. Gram-negative anaerobic bacteria that are associated with the onset of rheumatoid arthritis
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Keywords: ., 3d, anaerobe, anaerobic, arthritis, background, bacteriology, bacterium, bacteroidetes, cavity, colorful, copri, dentistry, disease, flora, gram-negative, illustration, infection, intestine, joints, medicine, microbe, microbiology, microorganism, oral, pathogen, pathogenic, periodontal, periodontitis, periodontosis, prevotella, research, respiratory, rheumatoid, rod, science, tract, vaginal