STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Dividing breast cancer cell. Coloured scanning electron micrograph (SEM) of a breast cancer cell dividing, showing its uneven surface & cytoplasmic projections. It is in the telophase stage of cell division (mitosis). In this last stage of mitosis, the chromosomes have already been duplicated and distributed to each daughter cell. However, the two daughter cells are still connected by a narrow cytoplasmic bridge. Cancerous (malignant) breast cells form tumours, which possess the ability to invade surrounding tissues. Malignant cells divide rapidly and grow in a chaotic manner. Breast cancer is the most common cause of cancer in women. Magnification: unknown.
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