Poisons
Poisons
Poisons (pronunciation: /ˈpɔɪzən/) are substances that can cause harm or death to organisms, typically through chemical reactions or other activity on the molecular scale, when an organism absorbs a sufficient quantity.[1]
Etymology
The word "poison" was first used in 1225–75, and comes from the Old French poison /pwa.zɔ̃/, itself from the Latin potionem (nominative potio) "a drinking, a drink," also "poisonous drink" (Cicero), from potare "to drink".[2]
Types of Poisons
Poisons can be classified into several types, including:
- Neurotoxins: These affect the nervous system and brain.
- Cytotoxins: These cause damage at the cellular level.
- Hemotoxins: These affect the blood and circulatory system.
- Myotoxins: These cause damage to muscle tissue.
Related Terms
- Toxicology: The study of the effects of poisons.
- Antidote: A substance that can counteract a form of poisoning.
- Toxin: A poison produced by some form of life.
- Venom: A type of poison that animals produce for the purpose of causing harm to others.
See Also
References
External links
- Medical encyclopedia article on Poisons
- Wikipedia's article - Poisons
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