Infection and response tier 3 vocab Trilogy

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Antigen

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Chemical marker on cell surfaces.

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Antibody

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Protein from lymphocytes that immobilises pathogens.

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Antitoxin

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Chemical released by lymphocytes that neutralises toxins

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Antibiotic

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Type of medicine for bacterial infections

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Pathogen

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A micro-organism that causes diseases.

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Communicable

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A contagious illness.

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Vector

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An organism that transfers a pathogen from one organism to another.

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Infection

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Invasion and growth of micro-organisms inside/on the body causing communicable disease.

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Lymphocytes

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Type of white blood cell that produces antibodies and antitoxins

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Phagocytes

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Type of white blood cell that engulfs and digests pathogens