STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Bladder cancer cells dividing. Coloured scanning electron micrograph (SEM) of bladder cancer cells dividing. This is the final stage of cell division (cytokinesis). The cells are only attached by a cytoplasmic bridge (thin thread). Bladder cancer is more common in men than women. The main risk factors are a family history of the disease, smoking and exposure to certain chemicals.
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