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Specific Defense

Defense Mechanisms

What is the definition of Specific Defenses? Those that recognize self from non-self cells
What is the definition of Immune Mechanisms? the RECOGNITION and DESTRUCTION of foreign molecules by Cellular or Chemical means
List 3 characteristics of Antigens. 1. Specific Proteins on all cells surfaces; 2. determine cell Identity; 3. trigger Immune Responses
What is meant by "Identity" with regard to Antigens? 2 people Antigens are exactly the same, but the profile of Antigens varies from person to person
What is the definition of Antibodies? Plasma Proteins (immunoglobulins: Ig) synthesized to combine with specific Antigens
What is meant by "Identity" with regard to Antibodies? profile varies from Protein to Protein
What is the function of Antibodies? cause CLUMPING of cells bearing foreign Antigens
What are the major classes of Antibodies? IgG (Gamma Globulin), IgM
Ho do Antibodies know which Antigens are foreign? recognition of "self" and "foreign" Antigens is established BEFORE BIRTH
What is the term used for Antibodies when functional? Immunocompetence
What are the terms used for Antibodies when dysfunctional? Immunodeficiency, Autoimmunity
Created by: Kristel