STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Cervical cancer cell. Coloured scanning electron micrograph (SEM) of a Cervical cancer cell (HeLa cell) (centre) grown in a 3D matrix (background). HeLa cells are a continuously cultured cell line of immortal human cancer cells derived from cervical cancer cells. As they are immortal they thrive in the laboratory and are widely used in biological and medical research. Magnification: x4000 when printed at 10 centimetres wide.
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