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Learn what a toxin is, how it differs from other poisons, and where it comes from. See examples of toxins in nature, medicine, and everyday life.
A toxin is a naturally occurring organic [dubious – discuss] poison [1] produced by metabolic activities of living cells or organisms. [2] They occur especially as proteins, often conjugated. [3] The term was first used by organic chemist Ludwig Brieger (1849–1919) [4] and is derived from the word "toxic".
Toxin is a poisonous substance produced by living organisms, such as bacteria, fungi, plants, and animals. Learn about the different types of toxins, their effects, and their sources from Britannica's experts.
- The Editors of Encyclopaedia Britannica
Apr 1, 2018 · Learn what a toxin is, how it affects different organisms, and what types of toxins exist. Find out the difference between a toxin and a toxicant, and see examples of natural and artificial toxins.
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Toxin definition: any poison produced by an organism, characterized by antigenicity in certain animals and high molecular weight, and including the bacterial toxins that are the causative agents of tetanus, diphtheria, etc., and such plant and animal toxins as ricin and snake venom..
A toxin is a poisonous substance, especially one produced by bacteria, that causes disease. Learn more about the meaning, usage and examples of toxin in English, and see related words and phrases in biology and literature.
toxin: 1 n a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species Types: show 26 types... hide 26 types... ricin , ricin toxin a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon animal toxin , zootoxin a toxin resembling ...
