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13 Cards in this Set
- Front
- Back
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Define immunity
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the body's specific protective reponse to invading foreign agent or organism
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Define immunopathology
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study of dieases that result from dysfunctions within the immune system
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define autoimmunity disorder
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normal immune response turns against or attacks the body, leading to tissue damage
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define hypersensitivity
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body produces inappropriate or exaggerated responses to specific antigens
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what is gammopathies
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when immunoglobulins are overproduced
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Define primary immune deficiency
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genetic, may affect phagocytic functions, B cells &/or T cells or complement system
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Define secondary immune deficiency
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acquired, related to underlying disorders, diseases, toxic substances or medications
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What is an epitope
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antigenic determinant, present on foreign material and intiates immune action
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Where are WBC produced and what are they descendants of:
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produced in bone marrow and descendants of stem cells
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What are the two types of WBC?
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B lymphocyctes (mature in bone marrow then enter circulation)
T lymphocyctes (move from bone marrow to thymus where they mature) |
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What do B-cells and T-cells become?
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lymphoid tissue
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What does the spleen do?
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filters the old and injured RBC, contains lymphocytes (which remove foreign material from the lymph system before it enters the bloodstream, also center for immune cell proliferation)
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What are the 2 types of immunity?
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natural- nonspecific immuniety that is present at birth
acquired- specific immunity that develops after birth |
