The exogenous pathway occurs when MHC class II molecules present fragments derived from extracellular (exogenous) proteins that are located within the cell. First, pathogens are phagocytized, then endosomes within the cell break down antigens with proteases, which then combine with MHC II.
From my point of view, it is not obligatory for him to transmit the disease to him genetically, but all options are important for preserving the body except for the slimming pills. I have always worried about them .. but it is only my opinion
