STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Mouth cancer cells. Coloured scanning electron micrograph (SEM) of squamous cell carcinoma (cancer) cells from a human mouth. The many blebs (lumps) and microvilli (small projections) on the cells' surface are typical of cancer cells. Squamous cells are a type of epithelial cell that line body cavities, such as the mouth. Magnification: x2300 when printed 10 centimetres wide.
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