title: Aging and the immune system.
abstract: Information is presented on changes in the aging immune system. An analysis of separate streams of cellular aging in the inbred mouse is presented. It is demonstrated that there is extensive polymorphism in the aging of different types of executive and regulatory cell lines.
mesh_terms: D000375:Aging; D000818:Animals; D000917:Antibody Formation; D007108:Immune Tolerance; D007109:Immunity; D007111:Immunity, Cellular; D051379:Mice; D008815:Mice, Inbred Strains; D013045:Species Specificity