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B memory cells
B plasma cells
CD8
CD4
Antigen/pathogen
TH cell
TC cell (CTL)
CD4
TH cell
Cytokines
Pathogenclearance byantibody
Infectedcell
Recognition
Cell death
MHC-II
MHC-I
Peptide fragment
Antigen/protein
T cell receptor
Antigen presenting cell(e.g. Dendritic cell)
Antibody