The role of the MHC antigens in the mature and immature host.
D000483:Alleles; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology; D003176:Complement C3 / Q000096:biosynthesis; D003602:Cytotoxicity, Immunologic; D005260:Female; D005815:Genetic Code; D008040:Genetic Linkage; D006680:HLA Antigens / Q000235:genetics* / Q000276:immunology; D006801:Humans; D007231:Infant, Newborn; D008213:Lymphocyte Activation; D008211:Lymphocyte Cooperation; D008264:Macrophages / Q000276:immunology; D008285:Major Histocompatibility Complex; D011110:Polymorphism, Genetic; D011247:Pregnancy; D011948:Receptors, Antigen, T-Cell; D013601:T-Lymphocytes / Q000276:immunology; D014018:Tissue Distribution
D003176:Complement C3; D006680:HLA Antigens; D011948:Receptors, Antigen, T-Cell