Definitions of toxin

  1. a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species Scrapingweb Dictionary DB
  2. Alt. of Toxine Webster Dictionary DB
  3. A poison produced by secretion in animal or vegetable organisms. Also, toxine. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  4. A poisonous substance of undetermined chemical nature, elaborated during the growth of pathogenic microorganisms. A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
  5. Ptomaine of various poisonous substances. Warner's pocket medical dictionary of today. By William R. Warner. Published 1898.
  6. [Greek] A poison (phys.). na
  7. Any poisonous ptomaine. Concise Oxford Dictionary
  8. Any poisonous albumin or base of bacterial origin. American pocket medical dictionary.
  9. Asa general term the word includes toxins produced by such bacteria as the diphtheria and tetanus bacilli; other vegetable toxins, such as abrin and resin, and many animal poisons, such as snake venom and eel serum. They may be obtained in an impure form by precipitation of the proteids, but active toxins can be produced by purification methods which are not of a proteid nature. They resemble enzymes in their action and are usually destroyed by a temperature of 80 C. Appleton's medical dictionary.
  10. A poisonous principle produced by certain pathogenic microorganisms. The poisons are soluble and by synthetic processes are secreted into the surrounding medium. They are capable of producing all the symptoms except the local reactions that are produced by the bacteria. Appleton's medical dictionary.

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