adaptive immune system from antigen presentation to activation o

activation adaptive allergy anatomy antibody antigen antimicrobial asthma autoimmune bacteria biology blood cancer care cell cells cellular defense detection diagram disease genetic health healthcare helper human humoral illustration immune immunity immunodeficiency immunological immunology infection inflammation innate leukocyte lymphocyte lymphocytes macrophage medical medicine memory microbiology monocyte pathogens phagocytosis plasma presentation presenting response science specific structure system vector virus white