Lecture 15 - Immune System

Lecture 15 - Immune System - DefenseMechanisms:Functions...

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Body Defense Mechanisms
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Defense Mechanisms: Functions
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Defense Mechanisms: Three lines of defense
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Physical and Chemical Barriers
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Nonspecific Internal Defenses: Defensive Cells Phagocytes Eosinophils Natural killer (NK) cells
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Nonspecific Internal Defenses: Defensive Proteins Interferons Complement system
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Nonspecific Internal Defenses: Inflammation Swelling Redness Heat Pain
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Nonspecific Internal Defenses: Fever Pyrogens
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Specific Internal Defenses The immune system
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The Immune System: Distinguishing Self from Nonself MHC markers Antigens
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The Immune System: Lymphocytes B Lymphocytes T lymphocytes
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The Immune System: Immune Responses Antibody-mediated Cell-mediated
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Antibody-Mediated Responses
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plasma cell memory B cell memory helper T cell memory cytotoxic T cell cytotoxic T cell infected cell Simulates both humoral and cell-mediated immunity by releasing cytokines Targets: invaders outside cells (viruses, bacteria, fungi, protists, toxins)
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Lecture 15 - Immune System - DefenseMechanisms:Functions...

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