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4 Cards in this Set
- Front
- Back
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What does mast cells secret? What does this result in? |
histamine; increased permeability and vasodilation |
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What are four characteristics of inflammation? |
swelling, pain, reddening, heat |
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What is opsonization? |
The process of an antibody "tagging" (binding) to a pathogen. The pathogen binds to the Fab region of the antibody, where the phagocyte will bind to the Fc region on the antibody where it is signalled to engulf the pathogen. |
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How do antibodies activate complement? |
By having an antigen portion of a pathogen bound to its Fab region, the Fc region is open to bind to C1, which activates a cascade of proteins known as complements. |
