STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Granulocytes. Scanning electron micrograph (SEM) of granulocytes in bone marrow. Granulocytes are a category of white blood cell characterized by the presence of granules in their cytoplasm. Magnification: x6000 when printed at 10 centimetres wide.
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