| Term | Definition |
|---|
| pathogen | is a parasite capable of causing disease in a host, anything that causes suffering |
| symbiosis | living together association between two or more species |
| mutualism | is where both organisms benefit ex. E coli in intestine |
| commensalism | is where one organism benefit and the other neither benefits nor is harmed ex microbes on skin |
| parasitims | is where one organism (parasite) benefits and the other (host) is harmed ex. pinworms in intestine |
| contamination | refers to the presence of microorganisms |
| infection | occurs when a pathogen invades the body |
| disease | pathogens or other factors disturb the state of health such that the body cannot perform its normal functions |
| infestation | refers to the presence of worms or arthropods in or on the body |
| pathogenicity | is the capacity of a pathogen to produce disease |
| ability to invade the host, ability to multiply in a host, ability to avoid damage by host's defenses, number of organisms that enter the body, virulence factors | phatogenicity depends of several factors |
| virulence | is the intensity of a disease caused by a pathogen |
| attenuation | is weakening of a pathogen's disease producing capacity, is when expose to an antibiotic |
| normal microflora | are microorganisms found in or on the body that do not normally cause disease |
| resident microflora | are those organisms that are always present on or in the body |
| resident microflora | is found on skin, mouth, nose, throat, large intestines, and in the passageway of the urinary and reproductive system |
| transient microflora | are those present temporarily and under certain coditions they migrate throughtout the body |
| opportunist | are resident or transient microflora that can cause disease under certain conditions or in certain locations in the body |
| failure of normal defenses, introduction into unusual body regions, disturbances of normal microflora | opportunist take advange of |
Combine with other sets
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