title: Placenta as an immunological barrier.
mesh_terms: D000818:Animals; D000936:Antigen-Antibody Complex / Q000276:immunology; D016025:Bone Transplantation; D001842:Bone and Bones / Q000196:embryology; D018835:Chaperonin 10; D006063:Chorionic Gonadotropin / Q000502:physiology; D000939:Epitopes / Q000276:immunology; D005260:Female; D005333:Fetus / Q000276:immunology; D006023:Glycoproteins / Q000276:immunology; D006084:Graft Rejection; D006680:HLA Antigens / Q000276:immunology; D006649:Histocompatibility Antigens / Q000276:immunology; D006801:Humans; D007108:Immune Tolerance; D007074:Immunoglobulin G / Q000276:immunology; D007166:Immunosuppressive Agents / Q000502:physiology; D007519:Isoantigens / Q000276:immunology; D008431:Maternal-Fetal Exchange; D009368:Neoplasm Transplantation; D010455:Peptides; D010920:Placenta / Q000276:immunology*; D010928:Placental Lactogen / Q000502:physiology; D011247:Pregnancy; D011257:Pregnancy Proteins; D011374:Progesterone / Q000502:physiology; D016038:Skin Transplantation; D013491:Suppressor Factors, Immunologic; D014327:Trophoblasts / Q000276:immunology / Q000378:metabolism; D014599:Uterus / Q000276:immunology; D000509:alpha-Fetoproteins / Q000502:physiology
chemical_list: D000936:Antigen-Antibody Complex; D018835:Chaperonin 10; D006063:Chorionic Gonadotropin; D000939:Epitopes; D006023:Glycoproteins; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D007074:Immunoglobulin G; D007166:Immunosuppressive Agents; D007519:Isoantigens; D010455:Peptides; D011257:Pregnancy Proteins; D013491:Suppressor Factors, Immunologic; D000509:alpha-Fetoproteins; C025124:early pregnancy factor; D011374:Progesterone; D010928:Placental Lactogen