Biological resistance
Biological resistance
Biological resistance (pronunciation: /baɪəˈlɒdʒɪkəl rɪˈzɪstəns/) refers to the ability of an organism to counteract the harmful effects of pathogens or other damaging agents in its environment.
Etymology
The term "biological resistance" is derived from the Latin biologicus, meaning "pertaining to life," and resistentia, meaning "resistance."
Definition
Biological resistance is the capacity of an organism to defend itself against harmful agents. This can include bacteria, viruses, parasites, toxins, and other environmental stressors. The level of resistance can vary greatly among individuals within a species, and can be influenced by a variety of factors, including genetic makeup, overall health, and exposure to previous threats.
Mechanisms of Biological Resistance
Biological resistance can be achieved through several mechanisms:
- Innate Immunity: This is the first line of defense and includes physical barriers like skin and mucous membranes, as well as immune cells that respond to a wide range of pathogens.
- Adaptive Immunity: This is a more specific defense mechanism that develops over time. It involves the production of antibodies that are specifically designed to target particular pathogens.
- Genetic Resistance: Some organisms may have genetic traits that make them less susceptible to certain diseases.
Related Terms
- Immunity: The state of being immune from or insusceptible to a disease or the like.
- Pathogen: A bacterium, virus, or other microorganism that can cause disease.
- Antibody: A blood protein produced in response to and counteracting a specific antigen.
See Also
External links
- Medical encyclopedia article on Biological resistance
- Wikipedia's article - Biological resistance
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