Scanning electron micrograph (SEM) of Escherichia coli bacteria. E. coli are present in the intestinal contents of animals and are thus also called the intestinal rods. They are used as indicators of contamination with fecal material. In the past,some of these originally harmless bacteria developed toxins and became a serious health hazard to humans and animals. Magnification: 22,000x at 4 x 5 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Phillips, David M. |
Taille de l’image : | 3654 px × 2970 px |
Model Release : | Non requis |
Restrictions : |
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