title: Epidermotropic lymphomas. Introductory immunological remarks.
abstract: The immune system is reviewed. Its ontogeny, differentiation and localization are discussed. Although cellular immunity mainly depends on T cells (thymus-derived) and humoral immunity depends on B cells (bone-marrow-derived), there are many interactions between these two systems. The role of T cells, in the production of antibodies, appears to be mainly regulatory. Various subpopulations of T cells are mentioned. The interactions between B cells and macrophages are described, as well as the markers of human T and B cells.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular; D007128:Immunoglobulin Fragments; D007136:Immunoglobulins / Q000096:biosynthesis; D008213:Lymphocyte Activation; D008264:Macrophages / Q000276:immunology; D011947:Receptors, Antigen, B-Cell; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D007128:Immunoglobulin Fragments; D007136:Immunoglobulins; D011947:Receptors, Antigen, B-Cell