Axenic
Axenic
Axenic (pronounced: /æˈzɛnɪk/) is a term used in biology to describe a culture in which only a single species, variety, or strain of organism is present and entirely free of all other contaminating organisms. The word is derived from the Greek words 'a' meaning 'without' and 'xenos' meaning 'foreigner' or 'stranger'.
Etymology
The term 'Axenic' is derived from the Greek words 'a' (α), meaning 'without', and 'xenos' (ξένος), meaning 'foreigner' or 'stranger'. It was first used in the early 20th century to describe cultures that were free from other living organisms.
Related Terms
- Sterile: A condition where no living organisms are present. In a laboratory setting, this often refers to the absence of bacteria or other microorganisms.
- In vitro: A process performed or taking place in a test tube, culture dish, or elsewhere outside a living organism.
- Microorganism: A microscopic organism, especially a bacterium, virus, or fungus.
- Culture (biology): The cultivation of bacteria, tissue cells, etc., in an artificial medium containing nutrients.
- Contamination: The presence of a minor and unwanted constituent (contaminant) in a material, physical body, natural environment, workplace, etc.
See Also
References
External links
- Medical encyclopedia article on Axenic
- Wikipedia's article - Axenic
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