Natural killer cell, SEM

Numéro d’image : 13687046
Natural killer cell, SEM
Natural killer cell. Coloured scanning electron micrograph (SEM) of a natural killer cell (NK) (blue) attacking a liver cancer cell. NK cells of a healthy individual were cultured with hepatoma (HepG2) cells. Natural killer cells, also known as large granular lymphocytes (LGL), are a type of cytotoxic lymphocyte critical to the innate immune system that belong to the rapidly expanding family of known innate lymphoid cells (ILC) and represent 5â??20% of all circulating lymphocytes in humans. NK cells provide rapid responses to virus-infected cell and other intracellular pathogens acting at around 3 days after infection, and also respond to tumor formation. Magnification x 7000 at 10cm wide. Specimen courtesy of the Maini Lab. UCL.
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 4360 px × 4572 px
Model Release : Non requis
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