MHC molecules

Antigen Processing and Presentation

Posted on November 19, 2025 by anatomy

Antigen Processing and Presentation: Antigen processing involves breaking down pathogens into fragments, which are then presented on MHC molecules by antigen-presenting cells to activate T lymphocytes.

Pathogen Presentation

Posted on June 14, 2025 by anatomy

Pathogen Presentation: Pathogen presentation involves antigen-presenting cells like dendritic cells and macrophages displaying fragments of pathogens on MHC molecules to activate T cells and initiate the immune response.