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Responses to Antigen

MTSU Stegall-Faulk Anatomy 2

TermDefinition
antigens any molecule capable of binding to an antibody and triggering an immune response
epitopes evoke an immune response
antibodies proteins that react with antigens in the plasma or other body fluids
non-specific resistance the ability to react with many different types of foreign substances.
physical resistance the integument, mucous membranes of the respiratory and digestive tracts, tears, saliva, and perspiration.
antimicrobial resistance interferons and complement system
interferons produced by macrophages, lymphocytes, and infected cells. stops the virus from replications.
complement system plasma protiens that complement the activities of both non-specific and specific responses.
four methods of antigen destruction inflammation, immune clearence, phagocytosis, and cytolysis.
inflammation A-> binds to histamines and mast cells
immune clearance Binds to Ag-Ab complexes to RBC's-> liver nd spleen->phygocytes remove Ag-Ab complex
Phagocytosis coats bacteria, virius, and pathogens-> opsinization-> phagocytosis
cytolysis split C5 into A and B-> binds to C6,7,and 8-> the complex binds ring of C9 molecules-> membrane attack complex-> cytolysis. ring creates an opening in the target cell until cell ruptures.
inflammatory response swelling, heat, redness, and pain.
diapedesis WBC squeeze between call walls to get into the tissue
purpose of the inflammatory response isolate the site of infection or injury, destroy the pathogen, and begin the healing process.
Created by: deleted user
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