Term
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Definition
| organism which provides nutrients, etc. to another organism |
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Term
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Definition
| organism that lives at the expense of its host; generally smaller than host and it metabolically dependent upon it |
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Term
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Definition
| an upset of the homeostasis of the host, resulting in generation of observable changes |
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Term
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Definition
| objective evidence of damage to the host (fever, rash, vomiting, etc) |
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Term
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Definition
| subjective evidence of damage to the host (headache, anorexia) |
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Term
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Definition
| one in which detrimental changes in heath of the host occur as a result of damage caused by a parasite |
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Term
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Definition
| microorganism that is capable of causing disease |
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Term
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Definition
| measure of pathogenicity, which is the ability to cause disease |
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Term
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Definition
| microorganisms that readily cause disease (only small numbers of the microorganism are required to initiate and sustain infection) |
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Term
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Definition
| organisms with reduced ability to cause disease |
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Term
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Definition
| microorganisms that do not cause disease |
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Term
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Definition
| microorganisms that may or may not cause disease generally colonize, but do not infect the host when usually found associated with a host, called normal microbiota can cause disease if they are inadvertently introduced into a site where they do not usually reside, especially inside host tissues |
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