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Ch. 15- Human Innate Defenses

Ch. 15- Human Innate Defenses - Chapter 15 Human Innate...

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Chapter 15 Human Innate Defenses “Half the secret of resistance is cleanliness, the other half is dirtiness” -Anonymous 1
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Innate vs. Adaptive Defense square6 Innate square6 Proactive in keeping out microbes square6 Limited in identifying “foreigners” Pattern recognition square6 Adaptive square6 Specialized square6 Must learn foreigner first then will “memorize” 2
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The Invader: Campylobacter jejuni square6 Leading bacterial diarrheal illness in the U.S. 2.1 to 2.4 million cases square6 annually square6 Symptoms: fever, vomiting, abdominal cramps square6 Found on raw poultry products, unpasteruized milk, and non- chlorinated water 3
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square6 First-line defenses square6 Cell communication square6 Phagocytes Innate Defenses square6 Complement system square6 Inflammation square6 Fever 4
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square6 First-line defenses square6 Physical barriers square6 Antimicrobials Innate Defenses Fig. 15.2 square6 Normal flora 5
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Physical Barriers square6 Skin square6 Mucous membranes (surfaces inside the body) square6 Cilia Mucus square6 square6 Peristalsis; mucociliary escalator square6 Urine 6
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Antimicrobial Substances square6 Sweat square6 Lysozyme square6 Tears, saliva, mucus square6
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  • Spring '08
  • Walker
  • innate defenses, phagocytes, complement cascade, communication Phagocytes Complement, Human Innate Defenses

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