title: The complement system: physiology, disorders, and activity in the newborn infant.
mesh_terms: D000347:Afibrinogenemia / Q000235:genetics; D000920:Antibody-Dependent Cell Cytotoxicity; D003166:Complement Activating Enzymes / Q000172:deficiency; D003167:Complement Activation; D015922:Complement C1q; D003175:Complement C2 / Q000172:deficiency; D003170:Complement Pathway, Alternative; D003171:Complement Pathway, Classical; D003165:Complement System Proteins / Q000172:deficiency / Q000235:genetics / Q000502:physiology*; D006801:Humans; D007231:Infant, Newborn; D008180:Lupus Erythematosus, Systemic / Q000097:blood / Q000235:genetics; D011951:Receptors, Complement / Q000172:deficiency; D017463:Receptors, Complement 3b; D011961:Receptors, Fc / Q000502:physiology
chemical_list: D003175:Complement C2; D011951:Receptors, Complement; D017463:Receptors, Complement 3b; D011961:Receptors, Fc; D015922:Complement C1q; D003165:Complement System Proteins; D003166:Complement Activating Enzymes