《英文msh词典》3b,Complement
[入口词] 3b,Complement
[主题词] Complement 3b
[英文释义] The larger fragment formed when C3 convertase splits C3 into C3a and C3b. In both the classical and alternate pathway,C3b participates in immune adherence and enhances phagocytosis. It also forms a cellular intermediate which continues the complement process. In the alternate pathways,C3b initiates a positive feedback activation of C3Pase.