EYE OF SCIENCE / SCIENCE PHOTO LIBRARY EYE OF SCIENCE / SCIENCE PHOTO LIBRARY
Human blood cells. Coloured scanning electron micrograph (SEM) of a large macrohpage white blood cell (centre), two erythrocytes (red blood cells, upper left and upper centre) and two lymphocyte white blood cells (white, left; and yellow, right). Magnification: x2080 when printed 10 centimetres wide.
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