Macrophage engulfing bacteria. Coloured composition scanning electron micrograph (SEM) of a macrophage white blood cell engulfing bacter

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Macrophage engulfing bacteria. Coloured composition scanning electron micrograph (SEM) of a macrophage white blood cell engulfing bacteria (red). This process is called phagocytosis. Macrophages are cells of the body's immune system. They phagocytose and destroy pathogens, dead cells and cellular debris. Magnification: x5000 when printed at 10 centimetres wide.

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Size: 4572px × 4516px
Photo credit: © STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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