Dendritic Cell Presenting An Antigen To T-Lymphocytes. 3D Computer Illustration Of An Antigen Presenting Cell. The Antigen Is A Peptide From A Tumor Cell, Bacteria Or Virus. Dendritic Cells Present Antigens To Lymphocytes Through Their Membran Bound Mhc-Molecules . After Binding To The Mhc-Antigen Complex, The T-Cell Receptor Sends A A Signal Cascade Into The T-Lymphocyte Cell, That Activates An Immune Response.

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