Chapter 17 - Chapter 17 Specific Immunity Immunity:...

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Chapter 17 Specific Immunity Immunity: resistance to disease caused by innate factors, genetic traits, and acquired specific immunity Acquired Immunity Naturally Acquired Active Immunity : occurs by exposure to disease organisms; may result in permanent or long-term immunity to subsequent infections Naturally Acquired Passive Immunity: occurs when maternal antibodies are transferred to a fetus during the last trimester of pregnancy, or thru breast milk. Artificially Acquired Active Immunity: occurs when immunization with specific antigens results in production of antibodies against a pathogen. May be temporary; repeated immunizations may confer long-term immunity to a pathogen. Artificially Acquired Passive Immunity: occurs when injection of specific antibodies Transfers antibodies from an immunized animal to a human. Example: Tetanus antitoxin Does NOT cause antibody formation; DOES NOT convey permanent resistance. Be able to distinguish the various types of active and passive immunity. Antigens: Any foreign protein, lipoprotein, large polysaccharide, or glycoprotein introduced into the body can be an Antigen Antibodies: Specific proteins produced as the result of exposure to an Antigen. Each type of antibody is a 3-D negative of a specific Antigen
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This note was uploaded on 05/05/2008 for the course BIOL 357 taught by Professor Kalia during the Spring '08 term at University of Louisville.

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Chapter 17 - Chapter 17 Specific Immunity Immunity:...

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