Cells of the Immune System

  • Responsible for specificity of immune reaction; activated by specific antigens to produce antibodies, cytokines (CD4 T cells), or direct cytotoxicity (CD8 T cells)
    • Lymphocytes: natural killer (NK) cells, B cells, and T cells
    • Monocytes: macrophages and dendritic (Langerhans) cells
    • Granulocytes: neutrophils, eosinophils, and mast cells