Valence
Valence (medicine)
Valence (pronounced: /ˈvāləns/), in the field of medicine, refers to the capacity of a drug or vaccine to produce a biological effect. It is a term derived from the Latin word valentia, meaning "strength" or "capacity".
Etymology
The term "valence" originated from the Latin word valentia, which translates to "strength" or "capacity". In the context of medicine, it refers to the strength or capacity of a drug or vaccine to produce a desired or intended effect.
Related Terms
- Monovalent vaccine: A vaccine that is designed to immunize against a single antigen or single microorganism.
- Polyvalent vaccine: A vaccine that is designed to immunize against more than one antigen or microorganism.
- Drug potency: The measure of drug activity expressed in terms of the amount required to produce an effect of given intensity.
- Vaccine efficacy: The percentage reduction of disease in a vaccinated group of people compared to an unvaccinated group, under optimal conditions.
See Also
External links
- Medical encyclopedia article on Valence
- Wikipedia's article - Valence
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