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  1. Complement system - Wikipedia

    Despite being part of the innate immune system, the complement system can be recruited and brought into action by antibodies generated by the adaptive immune system. The complement system …

  2. Complement System Function - Cleveland Clinic

    Jun 28, 2022 · The complement system is part of your body’s immune system that cleans up damaged cells, helps your body heal after an injury or an infection and destroys microscopic …

  3. The complement system - Autoimmunity - NCBI Bookshelf

    In humans, it was identified as the heat-labile component of serum that assists, or complements, the action of antibodies which are in charge of killing bacteria. In addition, the CS comprises more than …

  4. Complement System | British Society for Immunology

    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 >20 proteins,

  5. Complement Pathways: Types, Functions, Regulation - Microbe …

    Nov 5, 2017 · Proteins that take part in the complement system are called complements that collectively work as a biological cascade; the sequence of reactions, each being the catalyst for the …

  6. Complement System - an overview | ScienceDirect Topics

    The complement system is a group of 14 proteins comprising the complement cascade and more than 10 regulatory proteins. Seven receptors mediate the biological functions of the complement ligands.

  7. Complement | Description, Function, & Activation | Britannica

    Mar 10, 2026 · complement, in immunology, a complex system comprising a large number of proteins that act in concert to help eliminate infectious microorganisms.

  8. Complement System - Allergy and Immunology - Merck Manual …

    The complement system is an enzyme cascade that helps defend against infection via activation of a local inflammatory response. Many complement proteins occur in serum as inactive enzyme …

  9. Complement System – Definition, Activation, Effects, Regulation

    Apr 9, 2024 · The complement system, also known as the complement cascade, is a component of the immune system that boosts the ability of antibodies and phagocytic cells to eliminate germs and …

  10. The Complement System | Springer Nature Link

    Jul 8, 2025 · The complement system is an ancient component of innate immunity, playing a crucial part in the defense against pathogens and maintaining homeostasis. Complement assures the …