About 50 proteins and protein fragments make up the complement system, including plasma proteins, and cell membrane receptors. They account for about 10% of the globulin fraction of …

Jun 28, 2022 · The complement system is a group of proteins that help your immune system to fight infection, heal injury and kill bacteria and viruses.

There are three ways in which the complement system protects against infection. First, it generates large numbers of activated complement proteins that bind covalently to pathogens, …

Sep 18, 2025 · complement, in immunology, a complex system comprising a large number of proteins that act in concert to help eliminate infectious microorganisms.

The complement pathways is a part of the innate immune system and consists of a series of proteins that interact with one another in a highly regulated manner, in order to eliminate …

The complement system is so named because it is complementary to the antibody response of the adaptive immune system. Complement proteins bind to the surfaces of microorganisms …

Complement was discovered by Jules Bordet as a heat-labile component of normal plasma that causes the opsonisation and killing of bacteria. The complement system refers to a series of …