Quantal
Quantal
Quantal (pronounced: /ˈkwɒntəl/) is a term used in various fields of science, including medicine, biology, and physics. It is derived from the Latin word quantus, meaning how much.
Definition
In the context of medicine, a quantal response refers to an all-or-nothing response to a stimulus. This is often used in pharmacology to describe the effect of a drug on a population of individuals, where the response is either present or absent, with no intermediate states.
Etymology
The term 'quantal' is derived from the Latin word quantus, which means 'how much'. It was first used in the scientific context in the early 20th century, with the advent of quantum mechanics.
Related Terms
- Quantal Response: A type of response in which the effect is either present or absent, with no intermediate states. This is often used in pharmacology to describe the effect of a drug on a population of individuals.
- Quantum Mechanics: A branch of physics dealing with phenomena on a very small scale, such as atoms and subatomic particles. The term 'quantal' was first used in this context.
- Pharmacology: The study of drugs, their actions, their interactions, and their effects on living organisms. Quantal responses are often studied in this field.
External links
- Medical encyclopedia article on Quantal
- Wikipedia's article - Quantal
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