Coloured scanning electron micrograph (SEM) of a natural killer cell (NK cell) from a human donor. Natural killer cells are a form of white blood cells that are able to recognise and kill abnormal cells such as tumour cells and virus-infected cells. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NATIONAL INSTITUTES OF HEALTH / National Institute of Allergy and Infectious Diseases |
Taille de l’image : | 3500 px × 2625 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |