A small organism visible under a microscope, examples being bacteria and viruses.
Microorganism
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An organism that lives in another organism (the host) and gains nutrients and shelter from the host, and example being pathogens.
Parasite
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An organism that has been invaded by a virus or parasite.
Host
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Body disorder where cells keep on dividing and form a tumour.
Cancer
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A mass of cells.
Tumour
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Describes a tumour that does not spread through the body.
Benign
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Describes a tumour that spreads through the body.
Malignant
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Organism that can cause infectious disease.
Pathogen
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Poison.
Toxin
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A carrier, for example of a disease causing organism.
Vector
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The number of new cases of a disease in a population in a period of time.
Incidence
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Chemicals, usually made by fungi or bacteria, that can be used as medicines to kill other fungi or bacteria in an infected person or animal.
Antibiotic
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Your body's system that fights infections, involving white blood cells and antibodies.
Immune system
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A special protein in the body that can destroy a particular pathogen.
Antibody
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A special protein on the surface of a cell such as a pathogen.
Antigen
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You have this when you have made antibodies to a pathogen, so that next time the body can make them again quickly, and the pathogen doesn't make you ill.
Immunity
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A medical procedure to make people immune to a particular disease, which involves introducing dead or inactivated pathogens into the body to stimulate the immune system to make antibodies.
Immunisation
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A sudden outbreak of a disease that affects many people in a country.
Epidemic
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An epidemic that sweeps across continents or across the whole world.
Pandemic
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Immunity that comes from making your own antibodies.
Active immunity
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Immunity that comes from having antibodies injected into your body.
Passive immunity
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Other cards in this set
Card 2
Front
An organism that lives in another organism (the host) and gains nutrients and shelter from the host, and example being pathogens.
Back
Parasite
Card 3
Front
An organism that has been invaded by a virus or parasite.
Back
Card 4
Front
Body disorder where cells keep on dividing and form a tumour.
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