59.8 MB (5.9 MB compressed)
3957 x 5278 pixels
33.5 x 44.7 cm ⏐ 13.2 x 17.6 in (300dpi)
CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
False colour transmission electron micrograph of the anaerobic bacteria, Bacteroides fragilis (gram negative), normally present in the alimentary & urinogenital tracts of animals & humans. It is estimated that Bacteroides spp constitutes 90% of the total microbiological flora in man. Some species, however, under certain circumstances may cause infections. Mag: X 11,750 (at 35mm size).
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