title: The premature infant as a compromised host.
mesh_terms: D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology; D001770:Blood Bactericidal Activity; D002448:Cell Adhesion; D002634:Chemotaxis, Leukocyte; D003167:Complement Activation; D003165:Complement System Proteins / Q000096:biosynthesis; D005078:Exchange Transfusion, Whole Blood; D005260:Female; D006098:Granulocytes / Q000637:transplantation; D006801:Humans; D007111:Immunity, Cellular; D007112:Immunity, Maternally-Acquired; D007114:Immunization; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000276:immunology*; D007239:Infections / Q000276:immunology*; D007694:Killer Cells, Natural / Q000276:immunology; D008895:Milk, Human / Q000276:immunology; D009504:Neutrophils / Q000276:immunology; D009895:Opsonin Proteins / Q000276:immunology; D010587:Phagocytosis; D011247:Pregnancy
chemical_list: D009895:Opsonin Proteins; D003165:Complement System Proteins