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. Magnification x 12000 at 10cm wide. Specimen courtesy of the Maini Lab. UCL. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 4675 px × 3738 px |
Model Release : | Non requis |
Restrictions : | - |