A pricked finger means the immune system is tough at work. An vital a part of the innate immune system, the pores and skin – has been …
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activation induced deaminase ADAPTIVE antigen antigen presenting cells bacteria BCR cellular Class I Class II cytokines dendritic cells heparin histamine HUMORAL IMMUNE immune response IMMUNITY infection inflammation innate lymph nodes lymphocytes macrophages Major Histocompatability Complex mast cells MHC NETs neutrophils PAMP PAMPs Pathogen phagocytes primary immune response Response somatic hypermutation System TCR Toll-like receptor vasodilation WBCs