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Unformatted text preview: especially monocytes o monocytes enter tissue spaces & develop into macrophages , which finish the disposal of microbes o pus: mix of dead or dying WBCs & pathogens o Antimicrobial proteins Interferon (IFN) : proteins released by virus-infected cells that prevent viral replication in neighboring cells Interferons also mobilize macrophages to area & activate NK cells Complement : group of plasma proteins that, when activated, release chemical mediators that amplify inflammatory response, enhance phagocytosis ( opsonization ) & lyse cells activated by complement factors binding to antibody-antigen complex or cell wall polysaccharides of microorganisms membrane attack complex (MAC) : group of complement proteins that inserts into cell membrane to cause cell lysis (death) o Fever : abnormally high body temperature in response to chemicals called pyrogens secreted by leukocytes & macrophages exposed to bacteria & antigens page3...
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- Fall '10