Canadian Medical Guide > Biological Sciences > Biological Phenomena, Cell Phenomena, and Immunity > Immunity > Cross-Priming Terms and Definitions

Cross-Priming

Medical Definition:	Class I-restricted activation of CD8-POSITIVE LYMPHOCYTES resulting from ANTIGEN PRESENTATION of exogenous ANTIGENS (cross-presentation). This is in contrast to normal activation of these lymphocytes (direct-priming) which results from presentation of endogenous antigens.
Guide Notes:	note category, an immunologic process; do not confuste with cross-modality priming (= probably ASSOCIATION LEARNING or other psychol terms)
Also Called:	Cross-Presentation

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