Natural killer (NK) cell, coloured scanning electron micrograph (SEM). NK cells are a type of white blood cell and a component of the body's immune sy

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Natural killer (NK) cell, coloured scanning electron micrograph (SEM). NK cells are a type of white blood cell and a component of the body's immune system. They recognise certain proteins, or antigens, on virus-infected or tumour cells and destroy them.

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Size: 3411px × 2558px
Photo credit: © National Institute of Allergy and Infectious Diseases, NATIONAL INSTITUTES OF HEALTH/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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