51.1 MB (2.2 MB compressed)
4668 x 3827 pixels
39.6 x 32.5 cm ⏐ 15.6 x 12.8 in (300dpi)
NIBSC / SCIENCE PHOTO LIBRARY NIBSC / SCIENCE PHOTO LIBRARY
Scanning electron micrograph of a normal, peripheral, blood leucocyte (white blood cell). There are three major divisions of leucocytes: granulocytes, lymphocytes and monocytes. Together, they are involved in protecting the body against the invasion of foreign substances and in antibody production. Magnification: x20,000 at 8x10 inch , x3,000 at 35mm size.
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