Fig. 2From: An introduction to immunology and immunopathology(figure adapted from images available at: http://en.wikipedia.org/wiki/Image:B_cell_activation.png and http://commons.wikimedia.org/wiki/Image:Antigen_presentation.svg)Adaptive immunity: T-cell and B-cell activation and function. APC antigen-presenting cell, TCR T-cell receptor, MHC major histocompatibility complexBack to article page