Biology Photo: Macrophage and Staphylococcus


A macrophage, one of our body’s defenses, is a type of white blood cell that eats up foreign infectious bacteria in the body. The photo was taken from a colorized electron microscope showing a macrophage (yellow) engulfing a Staphylococcus (orange) bacteria.
Source: Urry, Lisa A.. Campbell Biology (p. 121). Pearson Education. Kindle Edition.

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