Lecture 15 immune system posted

Lecture 15 immune system posted - Secondary immune response...

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BIO 311D LECTURE 15 The immune system
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Innate immunity Acquired immunity
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Innate immunity External defenses Physical barriers Mucus production Secretions from skin and mucous membranes Acidity Lysozyme
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Internal defenses Phagocytosis Macrophages Innate immunity, cont.
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The lymphatic system
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Antimicrobial proteins Cause lysis, help trigger inflammation Interferons
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Inflammatory response Histamine and other chemicals released
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Natural killer cells Patrol and attack Trigger apoptosis
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Acquired immunity Lymphocytes – recognize antigens B cells, T cells
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Primary immune response Clonal selection of B cells
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Unformatted text preview: Secondary immune response antibodies Active and Passive Immunization Active immunity Develops naturally After immunizations Passive immunity Immediate, short-term protection Conferred naturally or artificially Self, nonself Cells from other individuals Transplanted tissues Blood transfusion Allergies anaphylactic shock Autoimmune Diseases Rheumatoid arthritis Immunodeficiency diseases Inborn or primary immunodeficiency acquired or secondary immunodeficiency Acquired Immunodeficiency Syndrome (AIDS)...
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Lecture 15 immune system posted - Secondary immune response...

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