Bacteroides
A genus of gram-negative, anaerobic, rod-shaped bacteria. Its organisms are normal inhabitants of the oral, respiratory, intestinal, and urogenital cavities of humans, animals, and insects. Some species may be pathogenic.
Source: National Library of Medicine 2013 MeSH Scope Note and Classification
Images
Figure 1. <i>Bacteroides fragilis</i> in Brucella Laked Sheep Blood Agar with kanamycin and vancomycin in culture.
Figure 1. Bacteroides fragilis in Brucella Laked Sheep Blood Agar with kanamycin and vancomycin in culture.
view larger / more info
Figure 2. <i>Bacteroides fragilis</i> seen on gram stain of blood culture growth.
Figure 2. Bacteroides fragilis seen on gram stain of blood culture growth.
view larger / more info
Notes
Figure 2 contributed by Judith Holden, MT (ASCP), MPH of the Microbiology Laboratories at the Massachusetts General Hospital, Boston, MA.
Related Cases
A middle-aged man with a headache and fevers.
Related Images From Cases
References
  1. National Library of Medicine 2013 MeSH Scope Note and Classification