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Natural Killer Cell attacking its target

Simplified illustration of Natural Killer Cell (NK Cell). Original image is 3,500 x 3,500 pixels.

NATURAL KILLER CELL IMAGE: a natural killer cell (NK Cell) is shown as a purple cell attached to a green target cell. These cells can act non-specifically to destroy transformed (i.e. cancer) cells or cells that have been infected by a virus. Cytotoxic granules are shown as blue spheres at the edge of the killer cell where it touches the target cell.

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