57.4 MB (3.6 MB compressed)
3460 x 5800 pixels
29.2 x 49.0 cm ⏐ 11.5 x 19.3 in (300dpi)
TIM VERNON / SCIENCE PHOTO LIBRARY TIM VERNON / SCIENCE PHOTO LIBRARY
Natural killer T cells, computer illustration. Natural killer T cells are a group of T cells that share properties of both T cells and natural killer (NK) cells. NK cells and T cells are both types of white blood cell (leukocyte) and are part of the immune system. NK cells provide rapid responses to virus-infected cells. T cells recognise a specific site (antigen) on the surface of a pathogen or foreign object, bind to it, and attract antibodies or cells to eliminate it.
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