Salmonella. Coloured transmission electron micrograph of a group of Salmonella enteritidis bacteria. Here,the outer membrane and cell contents are seen. These Gram-negative rod-shaped bacilli are a cause of food poisoning (Salmonellosis) in humans. Salmonella enteritidis produces enterotoxins which act on the small intestine. Infection occurs when numbers of these bacteria are ingested in contaminated food,particularly meat,milk & chicken eggs. Salmonella food poisoning symptoms include vomiting,nausea,abdominal pain and diarrhoea. The infection is rarely fatal. Magnification: x21,100 at 6x4.5cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dowsett, A.B. |
Taille de l’image : | 3697 px × 4830 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |