Canadian Medical Guide > Biological Sciences > Biological Phenomena, Cell Phenomena, and Immunity > Immunity > Complement Activation Terms and Definitions

Complement Activation

Medical Definition:	The sequential activation of serum components C1 through C9, initiated by an erythrocyte-antibody complex or by microbial polysaccharides and properdin, and producing an inflammatory response.
Previously Indexed:	Complement (1966-1978),Complement Fixation Tests (1966-1978)

Complement Activation Categories.

	Complement Pathway, Alternative - The complement activation sequence initiated by the activation of complement factor C3, which is triggered by the interaction of microbial polysaccharides and properdin without participation of an antigen-antibody reaction.
	Complement Pathway, Classical - The sequential activation of complement, initiated by antigen-antibody complex and the binding of complement factor C1q to the Fc region of the antibody.
	Complement Pathway, Mannose-Binding Lectin - The complement activation sequence of events triggered by the interaction of microbial polysaccharides with MANNOSE-BINDING LECTIN and the action of MANNOSE-BINDING PROTEIN-ASSOCIATED SERINE PROTEASES.

Complement Activation Medical Definitions and Terms

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