Extravascular immunity.
D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D005110:Extracellular Space / Q000276:immunology*; D007110:Immunity, Active; D008214:Lymphocytes / Q000276:immunology*; D008221:Lymphoid Tissue / Q000276:immunology; D010950:Plasma Cells / Q000276:immunology
D000906:Antibodies