Mode of action
Mode of Action
Mode of action (pronunciation: mohd ov ak-shun) refers to the specific biochemical interaction through which a drug substance produces its pharmacological effect. This term is commonly used in pharmacology, toxicology, and the field of medicine in general.
Etymology
The term "mode of action" is derived from the Latin words "modus" meaning "manner" and "actio" meaning "a doing or a making". It was first used in the context of medicine in the early 20th century.
Definition
The mode of action of a drug is the way in which the drug affects the body. It is the mechanism through which a drug substance produces an effect on a living organism or in a biochemical system. The drugs can interact with receptors, enzymes, or other proteins in the body.
Related Terms
- Pharmacodynamics: The study of the biochemical and physiological effects of drugs and their mechanisms of action.
- Pharmacokinetics: The study of how the body absorbs, distributes, metabolizes, and excretes drugs.
- Toxicology: The study of the adverse effects of chemical substances on living organisms.
- Receptor: A protein molecule that receives and responds to a neurotransmitter, hormone, or other substance.
- Enzyme: A protein that catalyzes a specific biochemical reaction.
See Also
External links
- Medical encyclopedia article on Mode of action
- Wikipedia's article - Mode of action
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