Figure 1.

Cross-presentation of extracellular antigen to a cytotoxic T cell by an activating dendritic cell. Adapted from Figure 4-20 in DeFranco AL, Locksley RM, Robertson M Immunity: The Immune Response in Infectious and Inflammatory Disease. London: New Science Press; 2007.

Griffiths BMC Biology 2013 11:10   doi:10.1186/1741-7007-11-10
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