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Shigella bacterium and macrophage, SEM C016 / 8923
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Shigella bacterium and macrophage, SEM C016 / 8923
Shigella bacterium. Coloured scanning electron micrograph (SEM) of a Shigella sp. bacterium (orange) being engulfed by a macrophage white blood cell. This process is called phagocytosis. Macrophages are cells of the bodys immune system. They phagocytose and destroy pathogens, dead cells and cellular debris. Shigella sp. are Gram-negative rod-shaped bacteria. They infect the large intestine, causing dysentery, which can vary in severity from a mild attack of diarrhoea to an acute infection. Magnification: x 11, 650 when printed at 10 centimetres wide
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Media ID 9245203
© SCIENCE PHOTO LIBRARY
Bacillus Bacteria Bacterial Bacterium Defence Defense Defensive Engulfing Immune System Immunity Immunological Immunology Infection Macrophage Microbiology Phagocyte Phagocytosing Phagocytosis Response White Blood Cell Anaerobe Microbiological
EDITORS COMMENTS
This print from Science Photo Library showcases the intricate relationship between a Shigella bacterium and a macrophage, providing us with a glimpse into the fascinating world of immunology. In this colored scanning electron micrograph (SEM), we witness the process of phagocytosis, where an orange-colored Shigella sp. bacterium is being engulfed by a macrophage white blood cell. Macrophages are vital components of our body's immune system, responsible for phagocytosing and destroying pathogens, dead cells, and cellular debris. This defensive mechanism plays a crucial role in protecting our bodies from infections and maintaining overall health. Shigella sp. , Gram-negative rod-shaped bacteria depicted here, specifically target the large intestine causing dysentery. The severity of this infection can range from mild diarrhea to acute illness. By magnifying this image 11,650 times its original size when printed at 10 centimeters wide, we gain an appreciation for the microscopic intricacies that shape our biological defenses against harmful invaders. The combination of biology and technology captured through scanning electron microscopy allows us to delve deeper into understanding how our immune system combats bacterial threats like Shigella sp. This visually striking photograph serves as a reminder of the incredible complexity within our bodies' defense mechanisms while highlighting the beauty found within microbiological studies.
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