PR S. CINTI, ISM / SCIENCE PHOTO LIBRARY PR S. CINTI, ISM / SCIENCE PHOTO LIBRARY
Lymphocyte. Coloured transmission electron micrograph (TEM) of a lymphocyte white blood cell isolated from human blood. Lymphocytes are involved in the immune system's defence mechanisms, lymph system and antibody production. Magnification: x14400 when printed at 10 centimetres wide.
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