PROFESSOR AARON POLLIACK / SCIENCE PHOTO LIBRARY PROFESSOR AARON POLLIACK / SCIENCE PHOTO LIBRARY
False-colour scanning electron micrograph of white blood cells from a patient with Sezary syndrome (SS), a type of leukaemia. The malignant cell in SS is usually a T-lymphocyte, as is the one visible here. Magnification : x3920 at 35mm size.
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