STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Mouth cancer dividing. Coloured scanning electron micrograph (SEM) of a squamous cell carcinoma (cancer) cell from a human mouth undergoing mitosis (nuclear division) and splitting into two daughter cells (top and bottom). Here, it is in late telophase, the final stage before cell division (cytokinesis) and the two daughter cells are still connected by a cytoplasmic bridge (centre). Squamous cells are a type of epithelial cell that line body cavities, such as the mouth. Magnification: x2500 when printed 10 centimetres wide.
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