title: Recognition and management of immunodeficient disorders. Introduction.
mesh_terms: D000375:Aging / Q000276:immunology; D000917:Antibody Formation; D000944:Antigens, Differentiation, B-Lymphocyte; D000945:Antigens, Differentiation, T-Lymphocyte; D000954:Antigens, Surface / Q000276:immunology; D016026:Bone Marrow Transplantation; D003165:Complement System Proteins / Q000502:physiology; D005260:Female; D000949:Histocompatibility Antigens Class II; D006801:Humans; D007107:Immune System / Q000502:physiology; D007111:Immunity, Cellular; D007135:Immunoglobulin Variable Region / Q000235:genetics; D007153:Immunologic Deficiency Syndromes / Q000175:diagnosis / Q000188:drug therapy / Q000628:therapy; D008221:Lymphoid Tissue / Q000166:cytology; D008285:Major Histocompatibility Complex; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011971:Receptors, Immunologic / Q000502:physiology; D013950:Thymus Gland / Q000166:cytology; D013951:Thymus Hormones / Q000502:physiology
chemical_list: D000944:Antigens, Differentiation, B-Lymphocyte; D000945:Antigens, Differentiation, T-Lymphocyte; D000954:Antigens, Surface; D000949:Histocompatibility Antigens Class II; D007135:Immunoglobulin Variable Region; D011971:Receptors, Immunologic; D013951:Thymus Hormones; D003165:Complement System Proteins