Colour SEM of killer cells attacking cancer cell

Colour SEM of killer cells attacking cancer cell

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This image is part of the feature World Of Oliver Meckes

Credit: EYE OF SCIENCE/SCIENCE PHOTO LIBRARY

Caption: Cancer attacked by killer cells. Coloured Scanning Electron Micrograph (SEM) of two human Natural Killer (NK) cells attacking a cancer cell. The NK cells are yellow with numerous long fluid- projections which are beginning to flow around the red cancer cell. Natural killer cells are a type of white blood cell known as T-lymphocytes. These have the ability to destroy virus-infected cells & tumour cells. On contact with the surface of a tumour cell, the NK cell recognizes certain proteins called antigens, which activate its cell- killing mechanism. The NK cell then binds to & destroys the cancer cell using toxic chemicals. Magnification: x2,800 at 6x6cm size.

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Keywords: cancer, cancer cell, cancerous, condition, disease, disorder, healthcare, images, killer lymphocyte, lymphocyte, magnified image, malignancy, malignant, medical, medicine, microscopic photos, natural killer, natural killer cell, natural killing, subjects, t-lymphocyte, tumour cells

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