Development of immune mechanisms.
D000818:Animals; D000917:Antibody Formation; D005260:Female; D005333:Fetus / Q000276:immunology; D006084:Graft Rejection; D006801:Humans; D006968:Hypersensitivity, Delayed; D007109:Immunity; D007136:Immunoglobulins / Q000096:biosynthesis; D008221:Lymphoid Tissue / Q000502:physiology; D008431:Maternal-Fetal Exchange; D010802:Phylogeny; D011247:Pregnancy; D014184:Transplantation, Homologous
D007136:Immunoglobulins