Outer cortex containing follicles and an inner medulla. B, The location of B cells and T cells (stained red). C, A germinal center.
T cell receptor and its interaction with MHC molecule
Activation of B cells and the immunoglobulin molecule structure
Antigen presenting cells of the skin called dendritic cells
Natural killer cells: body’s innnate immunity and one of the first line of defence
Antigen processing and presentation on the surface of APCs with MHC I complex- causing activation of CD8 killer T cells.
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