Toxin - Wikipedia
A toxin is a naturally occurring 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] derived from toxic.
Toxin | Description, Types, & Sources | Britannica
Toxin, any substance poisonous to an organism. The term is sometimes restricted to poisons spontaneously produced by living organisms (biotoxins). Besides the poisons produced by such microorganisms as bacteria, dinoflagellates, and algae, there are …
Toxin Definition & Meaning - Merriam-Webster
The meaning of TOXIN is a poisonous substance that is a specific product of the metabolic activities of a living organism and is usually very unstable, notably toxic when introduced into the tissues, and typically capable of inducing antibody formation.
Toxin - Definition, Effects and Types | Biology Dictionary
2018年4月1日 · A toxin is a chemical substance which damages an organism. A toxin may be as simple as an ion or atom which negatively interferes with a cell. A toxin can also be in the form of complex molecules such as the proteins found in snake venom.
TOXIN | definition in the Cambridge English Dictionary
TOXIN meaning: 1. a poisonous substance, especially one produced by bacteria, that causes disease 2. a poisonous…. Learn more.
Toxin | definition of Toxin by Medical dictionary
Usually only a few toxin-producing agents are introduced into the body, and it is not until there are enough of them to overwhelm the leukocytes and other types of antibodies that symptoms occur. In some cases of food poisoning, symptoms are almost immediate because the toxin is taken directly with the food.
Toxin - an overview | ScienceDirect Topics
Toxin (biological definition)—A toxin is a poisonous substance produced within living cells or organisms. From: Illustrated Toxicology, 2018
TOXIN | English meaning - Cambridge Dictionary
TOXIN definition: 1. a poisonous substance, especially one produced by bacteria, that causes disease 2. a poisonous…. Learn more.
Toxin Definition & Meaning | Britannica Dictionary
TOXIN meaning: a poisonous substance and especially one that is produced by a living thing
Natural toxins in food - World Health Organization (WHO)
2023年3月10日 · Some natural toxins can be formed in food as defense mechanisms of plants, through their infestation with toxin-producing mould, or through ingestion by animals of toxin-producing microorganisms. Natural toxins can cause a variety of adverse health effects and pose a serious health threat to both humans and livestock.
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