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Killer T cells surround a cancer cell | by NICHD NIH
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Killer T cells surround a cancer cell

Killer T cells (green and red) surround a cancer cell (blue, center). Killer T cells are immune cells that target and remove unhealthy cells, including cancer cells and virus-infected cells. Credit: NICHD/J. Lippincott-Schwartz

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Uploaded on August 30, 2016