Shigella dysenteriae. Coloured transmission electron micrograph (TEM) of Shigella dysenteriae bacteria,the cause of dysentery in humans. A longitudinal section through a bacterial cell is seen (at centre). Dysentery affects mainly the large intestines and varies in severity from a mild attack of diarrhoea to an acute infection. Until the introduction of sulphonamide drugs in the 1930s it was a killer disease of the world. It still affects the young,elderly & malnourished. Infection is spread by flies,direct contact,& water contaminated by faeces containing the bacillus. Magnification: x38,000 a 6x7cm size. x125,000 at 8x10 ins | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Lounatmaa, Dr. Kari |
Taille de l’image : | 3753 px × 4809 px |
Model Release : | Non requis |
Property Release : | Non requis |
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