Cross-resistance

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Cross-resistance

Cross-resistance (/krɒs rɪˈzɪstəns/) is a phenomenon in the field of medicine and microbiology, where a microorganism or cancer cell exhibits resistance to a group of antibiotics, antiviral drugs, or anticancer drugs, having been exposed to only one of them.

Etymology

The term "cross-resistance" is derived from the English words "cross", meaning to traverse, and "resistance", referring to the ability to withstand something. In this context, it refers to the ability of a microorganism or cancer cell to withstand a range of drugs after exposure to just one.

Related Terms

  • Antibiotic resistance: A phenomenon where bacteria evolve to resist the effects of antibiotics.
  • Drug resistance: The reduction in effectiveness of a drug in curing a disease or condition.
  • Multiple drug resistance: A condition enabling a disease-causing organism to resist distinct drugs or chemicals of a wide variety of structure and function targeted at eradicating the organism.
  • Resistance (biology): The ability of an organism to defend against harmful environmental factors.

See Also

External links

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