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IMMUNE FUNCTION

Ch. 35

TermDefinition
Agglutination clumping effect occurring when Antibody acts as cross link btw 2 antigens
Antibody protein developed by body in response to & interacting w/ specific antigen
Antigen induces the production of antibodies
Apoptosis programmed cell death that results from the digestion of deoxyribonucleic acid by end nucleases
B cells produce humoral immune response
Cellular Immune Response immune system's 3rd line of defense, attack of pathogens by T cells
Complement series of enzymatic proteins in the serum that when activated destroy bacteria & other cells
Cytokines term for nonantibody proteins that act as intercellular mediators, as in the generation of immune response
CYTOTOXIC T cells lymphocytes that lyse cells infected with virus, play a role in graft rejection
Epitope component of antigen molecule that functions as an antigenetic determinant by permitting the attachment of certain antibodies
Genetic Engineering emerging technology designed to enable replacement of certain antibodies
HELPER T cells lymphocytes that attack foreign invaders (antigens) directly
Humoral Immune Response coordinated response of components of immune sys to a foreign agent or organism
Immune System collection of organs, cells, tissues, & molecules that mediate the immune response
Immunity body's specific protective response to a foreign agent or organism
resistance to disease, specifically infectious disease Immunity
Immunopathology study of diseases resulting in dysfunctions w/in immune sys
Immunoregulation complex sys of checks & balance that regulates or controls immune responses
Interferons proteins formed when cells are exposed to viral or foreign agents
Capable of activating other components of immune sys Interferons
Lymphokines substances released by sensitized lymphocytes when they come in contact with specific antigens
Memory Cells recognize antigens from previous exposure & mount an immune response
Natural Killer (NK) Cells LYMPHOCYTES that defend against microorganisms & malignant cells
Null Lymphocytes destroy antigens already coated with antibody
Opsonization coating of antigen-antibody molecules with a sticky substance to facilitate phagocytosis
Phagocytic Cells engulf , ingest, & destroy foreign bodies or toxins
Phagocytic Immune Response immune system's first line of defense, involving WBCs that can ingest foreign particles
Stem Cells precursors of all blood cells, primarily in BONE MARROW
Suppressor T Cells LYMPHOCYTES decrease B-cell activity to level that immune sys is compatible with life
T Cells produce cellular response
Autoimmunity normal protective immune response turns agst or attacks the body = tissue damage
Hypersensitivity inappropriate or exaggerated response to specific antigens
Gammopathies overproduction of immunoglobulins
Primary Immune Deficiency improper development of immune cells or tissues; congenital or inherited
Secondary Immune Deficiency some interference with already developed immune sys, acquired later in life
Created by: fschristmas