Complement System ProteinsOpsonin ProteinsComplement C3Complement ActivationPhagocytosisComplement Pathway, AlternativeComplement Pathway, ClassicalComplement C3bComplement C4Complement C2Receptors, ComplementComplement C1qComplement C5Complement Factor BComplement C3cComplement C1Receptors, Complement 3bComplement Factor HComplement C9Blood Bactericidal ActivityComplement Membrane Attack ComplexComplement Inactivator ProteinsComplement Fixation TestsNeutrophilsComplement C3-C5 ConvertasesComplement Inactivating AgentsComplement C3aComplement C5aComplement C6Antibodies, BacterialProperdinComplement C4bComplement Activating EnzymesImmunoglobulin GComplement C3dComplement C7Complement C8Luminescent MeasurementsZymosanMacrophage-1 AntigenReceptors, Complement 3dComplement Hemolytic Activity AssayComplement C3b Inactivator ProteinsCollectinsComplement C4aComplement Factor DAntigen-Antibody ComplexRespiratory BurstComplement Factor IMacrophagesComplement C4b-Binding ProteinComplement C1sPhagocytesMannose-Binding LectinHemolysisStreptococcus pyogenesStaphylococcus aureusStreptococcus pneumoniaeBacterial CapsulesPolysaccharides, BacterialAntibodies, FungalStreptococcus agalactiaeAntigens, BacterialCryptococcusImmunoglobulin MComplement C1rAntigens, CD55Antigens, CD59Bacterial Outer Membrane ProteinsComplement C1 Inactivator ProteinsPrevotella melaninogenicaComplement C5b