Drug resistance
The ability of bacteria and other microorganisms to withstand a drug to which they were once sensitive (and were once stalled or killed outright).

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1. the ability of a microorganism or virus to withstand the effects of a drug that are lethal to most members of its species. Primary drug resistance refers to initial infection by a resistant organism; secondary drug resistance is resistance that develops during the course of therapy. See also multidrug r. Microbial resistance to a drug can be symbolized by the superscript R, R, r, or r attached to the name of the drug. 2. resistance by a tumor cell line to a cytotoxic compound or compounds.

Medical dictionary. 2011.

Look at other dictionaries:

  • Drug resistance — is the reduction in effectiveness of a drug such as an antimicrobial or an antineoplastic[1] in curing a disease or condition. When the drug is not intended to kill or inhibit a pathogen, then the term is equivalent to dosage failure or drug… …   Wikipedia

  • drug resistance — noun The medical condition in which tissues become resistant after treatment with drugs, commonly found with many anti tumour treatments • • • Main Entry: ↑drug …   Useful english dictionary

  • drug resistance — drug resistance. См. устойчивость к лекарственным препаратам. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • drug resistance — Property of a disease causing organism that allows it to withstand drug therapy. In any population of infectious agents, some have a mutation that helps them resist the action of a drug. The drug then kills more of the nonresistant microbes,… …   Universalium

  • 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… …   English dictionary of cancer terms

  • Drug Resistance Updates —   Titre abrégé Drug Resist. Update Discipline Pharmacologie Langue Anglais Direct …   Wikipédia en Français

  • Drug Resistance Strategies Project — The Drug Resistance Strategies Project (DRS), a program funded by the National Institute on Drug Abuse (NIDA), teaches adolescents and pre adolescents how to make decisions and resist alcohol, tobacco, and other drugs (ATOD). The DRS project was… …   Wikipedia

  • Multiple drug resistance — or Multidrug resistance is a condition enabling a disease causing organism to resist distinct drugs or chemicals of a wide variety[1] of structure and function targeted at eradicating the organism. Organisms that display multidrug resistance can… …   Wikipedia

  • Multiple Drug Resistance — Multiple Drug Resistance, auch Multi Drug Resistance (MDR), beschreibt das Phänomen, dass Zellen (z. B. Tumorzellen, Tuberkuloseerreger) eine Resistenz gegenüber Arzneistoffen haben bzw. entwickeln. Hierfür können Transporter verantwortlich… …   Deutsch Wikipedia

  • multiple drug resistance — multiple drug resistance. См. множественная устойчивость к лекарственным препаратам. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

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