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11 Cards in this Set
- Front
- Back
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Infection
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the relationship between two organisms and the competition for supremacy that takes place
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Disease
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any change from the gerneral state of good health
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I=PVN/R
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infectious disease formula I- infection V- virulence N- numbers R- resistance of body
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Normal Flora
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organisms normally present in the bnody
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symbiosis
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relationship between body and microbiota
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mutualism
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beneficial relationship between body and microorganisms. some prevent overgrowth of bacteria
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commensalism
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symbiosis only beneficial to microbe
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pathogenicity
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ability of microbes to enter host tissues results in altered health and leads to disease
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Pathogen
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an organism that can cause disease
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parasitism
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a symbiotic relationship between host and parasite
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opportunist
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an organism that can only cause disease in a weakened individual
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