from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A potent neurotoxin produced by certain dinoflagellates that accumulates in shellfish feeding on these organisms and consequently causes food poisoning in humans who eat the shellfish.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A neurotoxin, produced by some dinoflagellates, that can accumulate in mollusks and cause subsequent food poisoning in humans

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a powerful neurotoxin produced by certain dinoflagellates found in red tides; it can accumulate in mollusks that feed on the dinoflagellates and cause food poisoning to humans


from The American Heritage® Dictionary of the English Language, 4th Edition

New Latin Saxi(domus gigantēus), clam species (from Latin saxum, stone; see saxifrage) + toxin.


  • The toxin, known as saxitoxin, disrupts normal nerve functions and can cause paralysis and death by respiratory failure within two to 24 hours, Sea Fisheries said in a statement.

    ANC Daily News Briefing

  • The poison implicated was called saxitoxin and is thought to build up in puffers through the mollusks, clams, mussels and scallops they eat.


  • Since rapid onset of symptoms after a meal of pufferfish could indicate saxitoxin poisoning; it is recommended to call the local poison control center and go to the nearest hospital ED for evaluation. 9

    Fish poisonings and envenomations

  • The toxin produced by the red tide blooms, called saxitoxin, causes PSP by blocking sodium conductance and neuronal transmission in skeletal muscles. 8 Saxitoxin is not destroyed by cooking or freezing; it is heat and acid stable and does not alter the taste or smell of food.

    Fish poisonings and envenomations

  • Tetrodotoxin (a toxin in frogs, puffer fish and other invertebrates) and saxitoxin (a cause of shellfish poisoning) blocks sodium channels.


  • Naturally-occurring toxins that can be used as weapons include ricin (WA), SEB (UC), botulism toxin (XR), saxitoxin (TZ), and many mycotoxins.

    Archive 2008-04-01

  • Perhaps the best overview is provided in the excellent paper by C. Y. Kao, Tetrodotoxin, saxitoxin and their significance in the study of excitation phenomenon, Pharmacological Reviews 18, no.

    The Serpent and the Rainbow

  • In addition, our sampling detected the presence of Aphanizomenon, a previously undetected cyanobacteria, and the associated presence of cylindrospermopsin, a liver toxin and saxitoxin, a nerve toxin. - Local News

  • Algal toxins arising from the blooms include microcystin, anatoxin-a, cylindrospermopsin and saxitoxin, according to the Ohio Department of Health.

    The Star Beacon; Ashtabula, Ohio Home Page

  • Also found was a trace amount of saxitoxin in the algae on the lake. - Local News


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