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Macrophage engulfing bacteria, SEM
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Macrophage engulfing bacteria, SEM
Macrophage engulfing bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (brown) engulfing Mycobacterium tuberculosis bacteria (yellow). This process is called phagocytosis. Macrophages are cells of the bodys immune system. They phagocytose and destroy pathogens, dead cells and cellular debris. M. tuberculosis causes the disease tuberculosis. It infects the lungs, creating primary tubercles, nodular lesions of dead tissue and bacteria. The bacteria may enter the blood or lymph systems and spread to other organs of the body
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6421292
© SCIENCE PHOTO LIBRARY
Attacking Bacteria Bacterial Bacterium Defending Defense Defensive Engulfing False Colour Immune System Immunity Immunology Infection Killing Macrophage Mycobacterium Tuberculosis Pathogens Phagocytosing Phagocytosis Protection Protective Response Tuberculosis White Blood Cell False Coloured Micro Biology Microbiological Pathogen
EDITORS COMMENTS
This print showcases the intricate process of phagocytosis, as a macrophage white blood cell (brown) engulfs Mycobacterium tuberculosis bacteria (yellow). The vibrant colors in this false-colored scanning electron micrograph highlight the defensive nature of our immune system. Macrophages play a crucial role in protecting our bodies by phagocytosing and destroying pathogens, dead cells, and cellular debris. Mycobacterium tuberculosis is responsible for causing the debilitating disease known as tuberculosis. Infection occurs primarily in the lungs, resulting in the formation of primary tubercles - nodular lesions consisting of dead tissue and bacteria. However, these resilient bacteria can also enter the bloodstream or lymphatic systems to spread throughout other organs. The image not only illustrates the complex biology behind infection but also underscores the importance of medical advancements in combating such diseases. By studying these microscopic interactions between macrophages and bacterial invaders, scientists gain valuable insights into developing effective defense mechanisms against infections. Science Photo Library has once again captured an extraordinary moment within our own bodies through their exceptional imaging techniques. This photograph serves as a powerful reminder of both our vulnerability to harmful pathogens and our body's remarkable ability to mount a defense against them.
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