An immune response is the specific response to a pathogen , which involves the action of lymphocytes and the production of antibodies
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Primary defence
The Primary defences are those that attempt to prevent pathogens from entering the body
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Antigen
Molecules that stimulate an immune response.
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Antibodies
Protein molecules that can identify and neutralise antigens
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Specificity
An antibody is specific to a particular antigen because of the shape of the variable region. Each type of antibody has a differently shaped variable region
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Cell signalling
The communication between cells that allows effective co-ordiantion of a response
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Memory cells
Cells that circulate in the blood after an immune response. They speed up the response to a subsequent attack by the same pathogen
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Lymphocytes
White blood cells that circulate around the body in the blood and lymph. B cell mature in the bone marrow, while T cells originate in the bone marrow but mature in the thymus gland
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Vaccination
A deliberate exposure to antigenic material, which activates the immune system to make an immune response and provide immunity
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Other cards in this set
Card 2
Front
The Primary defences are those that attempt to prevent pathogens from entering the body
Back
Primary defence
Card 3
Front
Molecules that stimulate an immune response.
Back
Card 4
Front
Protein molecules that can identify and neutralise antigens
Back
Card 5
Front
An antibody is specific to a particular antigen because of the shape of the variable region. Each type of antibody has a differently shaped variable region
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