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Killer T cells surround a cancer cell | by National Institutes of Health (NIH)
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Killer T cells surround a cancer cell

Superresolution image of a group of killer T cells (green and red) surrounding a cancer cell (blue, center). When a killer T cell makes contact with a target cell, the killer cell attaches and spreads over the dangerous target. The killer cell then uses special chemicals housed in vesicles (red) to deliver the killing blow. This event has thus been nicknamed “the kiss of death”. After the target cell is killed, the killer T cells move on to find the next victim.


Credit: Alex Ritter, Jennifer Lippincott Schwartz and Gillian Griffiths, National Institutes of Health

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Uploaded on August 18, 2015