Definitions for "COMPLEMENT SYSTEM"
A specialized series of blood proteins whose major role is to disrupt the surface structure of microbes and altered body cells, resulting in their destruction.
A group of plasma proteins that mediate the inflammatory response when activated; complement has three functions: 1) opsonic (enhances phagocytosis by attaching complement component C3b to bacteria), 2) chemotactic and 3) lytic (disrupts membrane and releases contents of a bacterial or host cell) (Lecture: Innate Immunity and Inflammation I, 2/19/02)
A rapidly self-amplifying system of molecules in the body capable, when triggered by the immune system, of killing faulty or foreign cells or bacteria by puncturing their membranes and dissolving their contents.