| drug resistance |
Organisms are said to be drug-resistant when drugs meant to neutralize them have reduced effect. When an organism is resistant to more than one drug, it is said to be multidrug resistant. The most prominent example of this is antibiotic resistance. Drug resistance is also found in some tumor cells, which makes it more difficult to use chemotherapy to attack tumors made of those cells. ...
Ãâó: en.wikipedia.org/wiki/Drug_resistance
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| drug |
any animal, vegetable, or mineral substance used in the composition of medicines.
Ãâó: www.geocities.com/HotSprings/3982/dictionary.html
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| drug |
Any substance, other than food, that is used to prevent, diagnose, treat or relieve symptoms of a disease or abnormal condition. Also refers to a substance that alters mood or body function, or that can be habit-forming or addictive, especially a narcotic.
Ãâó: www.stjude.org/glossary
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| drug resistance |
The failure of cancer cells, viruses, or bacteria to respond to a drug used to kill or weaken them. The cells, viruses, or bacteria may be resistant to the drug at the beginning of treatment, or may become resistant after being exposed to the drug.
Ãâó: www.stjude.org/glossary
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| drug |
a substance that, when administered to an organism or a system derived from an organism, may modify one or more of its functions
Ãâó: library.thinkquest.org/C007974/glossary.htm
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