Term
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Definition
| microbes on&in our body that arent causing disease. bacteria, fungi(canida-vagina&in gut),protista |
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Term
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Definition
| areas of the colonized with normal flora:skin,conjunction(eye),upper respiratory tract,intestinal tract, lower urogenital tract |
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Term
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Definition
| lower respiratory tract, internal organs & tissues, sinuses, body fluids |
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Term
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Definition
1 organism benefits, the other is unharmed
ex shark and remora |
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Term
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Definition
| both organism benefit from the relationship |
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Term
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Definition
| one organism benefits at the others expense |
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Term
| What is microbial antagonism |
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Definition
| normal flora competing with invading pathogens, competing between normal flora keeps them in balance |
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Term
| How can E.coli benefit their host? |
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Definition
| vitamin B12 and vitamin K are produced by E.coli in the gut. |
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Term
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Definition
| pathogen only found in sick individuals, always pathogenic! |
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Term
| examples of classical pathogen |
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Definition
M. tuberculosis
N. gonorrhoeae |
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Term
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Definition
cause disease only in certain conditions.
if you are immunocompromised-thrush in HIV persons or infants. Inbalance in Normal flora--antibiotics |
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Term
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Definition
humans-"catch" human pathogens from another human
animals-zoonose-infects humans, can catch from animals ex:rabies, anthrax
nonliving abiotic reservoir-water, soil, toilet seats. |
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Term
| Methods for spread of disease |
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Definition
contact-direct contact:physical contact b/w diseased&healthy..indirect contact:spread by fomite(inonimate object ex:kleenex,drinking fountain..vehicle transmission:transmission of pathogen via non living means(fomite)air,water,soil,kleenex)
vector transmission:animal spreading disease(mosquito-malaria,westnile..fleas-plaque..tick-lyme's disease) |
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Term
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Definition
| able to spread from host to host |
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Term
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Definition
| easily spread from host to host, influenza is contagious. |
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Term
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Definition
| cant transmit--tetanus.clostridium b/w individuals. |
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