title: The development of immunity in fetal life and childhood.
mesh_terms: D000818:Animals; D000831:Animals, Newborn / Q000276:immunology; D000917:Antibody Formation; D000936:Antigen-Antibody Complex; D002675:Child, Preschool; D003165:Complement System Proteins; D005260:Female; D005333:Fetus / Q000276:immunology*; D006801:Humans; D007109:Immunity; D007111:Immunity, Cellular; D007070:Immunoglobulin A; D007072:Immunoglobulin D; D007073:Immunoglobulin E; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins / Q000096:biosynthesis / Q000145:classification; D007153:Immunologic Deficiency Syndromes; D007223:Infant; D007231:Infant, Newborn; D007372:Interferons; D008221:Lymphoid Tissue / Q000196:embryology / Q000254:growth & development*; D008431:Maternal-Fetal Exchange; D009113:Muramidase; D010587:Phagocytosis; D011247:Pregnancy; D013045:Species Specificity; D013934:Thymectomy
chemical_list: D000936:Antigen-Antibody Complex; D007070:Immunoglobulin A; D007072:Immunoglobulin D; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins; D007073:Immunoglobulin E; D003165:Complement System Proteins; D007372:Interferons; D009113:Muramidase