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Activation of leukocytes. T-cell encounters its cognate antigen on the surface of an infected cell. T-cells direct and regulate immune responses and attack infected or cancerous cells. Cell-mediated immunity. The Adaptive and Innate immune system. ve

Activation of leukocytes. T-cell encounters its cognate antigen on the surface of an infected cell. T-cells direct and regulate immune responses and attack infected or cancerous cells. Cell-mediated immunity. The Adaptive and Innate immune system. ve

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Size Width Height Mp
s 500 px 194 px 0.5
m 1000 px 388 px 2
l 2000 px 776 px 8
xl 7736 px 3000 px 15
vect 7736 px 3000 px -

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