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11 Cards in this Set
- Front
- Back
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Non-specific barriers
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the 1st line of defense. consists of sin and mucus membranes
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non-specific patrols
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2nd line of defense. consists of leukocytes and macrophages
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leukocytes
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phagocytic white blood cells
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true immune system
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3rd line of defense. consists of acquired immunity
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apoptosis
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cell ruptures
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What do natural killer cells do?
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the release perforin into the target cell.
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perforin
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a protein that causes apoptosis
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complememt system
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about 20 proteins that circulate in the blood plasma. they attack bacterial and fungal cells.
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inflammatory response
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releases histamines and prostaglandins
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interleukin - 1
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activated microphages release this in order to raise body temperature (fever)
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intact antigens
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b cells can recognize these.
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