STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Lung cancer cell division. Coloured scanning electron micrograph (SEM) of two lung cancer cells in the final stage of cell division (cytokinesis). During this stage the cells' cytoplasm divides. Cancer cells are typically large and they divide rapidly in a chaotic, uncontrolled manner. They may clump to form tumours which invade and destroy surrounding tissues.
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