title: Loss of immune competence with age may be due to a qualitative abnormality in lymphocyte membranes.
mesh_terms: D000375:Aging; D000818:Animals; D000954:Antigens, Surface; D001323:Autoantibodies; D002462:Cell Membrane / Q000276:immunology; D002478:Cells, Cultured; D003602:Cytotoxicity, Immunologic; D000939:Epitopes; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology*; D008285:Major Histocompatibility Complex; D051379:Mice; D013154:Spleen / Q000276:immunology
chemical_list: D000954:Antigens, Surface; D001323:Autoantibodies; D000939:Epitopes