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A toxin is a naturally occurring organic [dubious – discuss] poison produced by metabolic activities of living cells or organisms. 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, 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 toxins from fungi (mycotoxins), higher plants.
Apr 1, 2018 · 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.
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.
Diphtheria toxin. Diphtheria toxin is produced by virulent Corynebacterium diphtheriae that infect the mucosal membranes of the throat and nasal cavity causing a gray, thickened lining of the throat, sore throat, weakness, mild fever, swollen glands of the neck, and difficulty breathing. [11]
TOXIN definition: 1. a poisonous substance, especially one produced by bacteria, that causes disease 2. a poisonous…. Learn more.
In some cases, e.g. cholera toxin, the disease is chiefly caused by a nonliving substance secreted by the organism, rather than the organism itself. Such nonliving biological toxicants are generally called toxins if produced by a microorganism, plant, or fungus, and venoms if produced by an animal.
TOXIN meaning: 1. a poisonous substance, especially one produced by bacteria, that causes disease 2. a poisonous…. Learn more.
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..
TOXIN meaning: a poisonous substance and especially one that is produced by a living thing
