Availability
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Availability (Medicine)
Availability (pronounced: /əˌveɪləˈbɪlɪti/) in the context of medicine refers to the extent to which a drug or other substance is able to be used by the body. It is often expressed as a percentage of the total administered dose that reaches the systemic circulation.
Etymology
The term "availability" comes from the Latin word availabilis, meaning "that can be used".
Related Terms
- Bioavailability: The fraction of an administered dose of unchanged drug that reaches the systemic circulation.
- Pharmacokinetics: The study of how the body absorbs, distributes, metabolizes, and excretes drugs.
- Pharmacodynamics: The study of the biochemical and physiological effects of drugs and their mechanisms of action.
- Drug metabolism: The process by which the body breaks down and converts medication into active chemical substances.
- Drug delivery: The method or process of administering a pharmaceutical compound to achieve a therapeutic effect in humans or animals.
See Also
References
External links
- Medical encyclopedia article on Availability
- Wikipedia's article - Availability
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