32.1 MB (2.4 MB compressed)
3148 x 3562 pixels
26.7 x 30.2 cm ⏐ 10.5 x 11.9 in (300dpi)
DR GOPAL MURTI / SCIENCE PHOTO LIBRARY DR GOPAL MURTI / SCIENCE PHOTO LIBRARY
White blood cell. False-colour transmission electron micrograph (TEM) of a type of white blood cell known as a granulocyte. A number of cell organelles can be seen. At centre is a dumbbell- shaped nucleus (red). The green-coloured chromatin within the nucleus contains the DNA chromosomal material. The cell cytoplasm is blue-green. The red objects are lysosomes, which store enzymes. White blood cells with this type of multi-lobed nucleus and with lysosomes in their cytoplasm are called granulocytes. This specimen was taken from mammalian bone marrow. Magnification: x6500 at 6x6cm size.
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