toxin

Noun
  1. A poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species (synset 115058641)
    is a type of: poison, poisonous substance, toxicant - any substance that causes injury or illness or death of a living organism
    subtypes:
    • 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 bacterial toxins in its antigenic properties that is found in the fluids of certain animals
    • bacterial toxin - any endotoxin or exotoxin formed in or elaborated by bacterial cells
    • cytotoxin - any substance that has a toxic effect on cells
    • endotoxin - a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die
    • exotoxin - a toxin that is secreted by microorganisms into the surrounding medium
    • hepatotoxin - any toxin that affects the liver
    • nephrotoxin - any toxin that affects the kidneys
    • neurolysin, neurotoxin - any toxin that affects neural tissues
    • phytotoxin, plant toxin - any substance produced by plants that is similar in its properties to extracellular bacterial toxin

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