STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Lymphocyte white blood cells. Coloured scanning electron micrograph (SEM) of lymphocyte white blood cells from peripheral blood. Lymphocytes are involved in the immune system's defence mechanisms, lymph system, and involved in antibody production. Magnification: x3000 when printed 10 centimetres wide.
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