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Macrophage engulfing tuberculosis vaccine
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Macrophage engulfing tuberculosis vaccine
Macrophage engulfing tuberculosis vaccine. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing Mycobacterium bovis bacteria (yellow). This is the BCG (bacillus of Calmette-Guerin) strain of the bacteria, used in the vaccination for tuberculosis (TB). The bacteria is live but attenuated (weakened). The macrophage engulfs (phagocytoses) the bacteria and destroys them. The vaccine primes the immune system, without causing disease, so that it responds more rapidly if infected with TB bacteria. Magnification: x2, 900 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6421274
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Attenuated Bacillus Of Calmette Guerin Bacteria Bacterium Defence Destroying Engulfing False Colour Immune Immune Response Immunology Killing Live Macrophage Mycobacterium Bovis Phagocytosing Phagocytosis Protection Protective Strain System Tuberculosis Vaccination Vaccine Weakened White Blood Cell Cells False Coloured Micro Biology Microbiological
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This print showcases the intricate process of a macrophage white blood cell engulfing a tuberculosis vaccine. The image, captured using a scanning electron microscope, reveals the vibrant colors of this biological interaction. The yellow Mycobacterium bovis bacteria, which is the BCG strain used in tuberculosis vaccination, can be seen being phagocytosed by the macrophage. The significance of this event lies in its ability to prime our immune system against tuberculosis without causing any harm. By destroying and eliminating these weakened bacteria, the macrophage plays a crucial role in defending our body against potential infections. This photograph serves as a reminder of the complex and remarkable defense mechanisms that exist within our own bodies. With an impressive magnification level of x2,900 when printed at 10 centimeters wide, every detail is brought to life. The false coloring enhances our understanding of this microscopic world and highlights key elements involved in immunology and medicine. Through this stunning visual representation, we gain insight into how vaccines work on a cellular level and appreciate their vital contribution to public health. It reminds us that science continues to unravel mysteries within our own biology while offering hope for improved medical interventions against diseases like tuberculosis.
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