Coloured SEM of killer cell attacking cancer cell

Coloured SEM of killer cell attacking cancer cell

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Credit: EYE OF SCIENCE/SCIENCE PHOTO LIBRARY

Caption: Cancer attacked by killer cell. Coloured Scanning Electron Micrograph (SEM) of a human Natural Killer (NK) cell attacking a cancer cell. The NK cell is yellow with numerous long fluid- projections which are beginning to flow around the large orange 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 toxins. Magnification: x3,850 at 6x6cm size.

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

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