saxitoxin

noun
sax·​i·​tox·​in | \ ˌsak-sə-ˈtäk-sən How to pronounce saxitoxin (audio) \

Definition of saxitoxin

: a potent nonprotein neurotoxin C10H17N7O4·2HCl that originates especially in dinoflagellates (genera Alexandrium, Gymnodinium, and Pyrodinium) found in red tides and that sometimes occurs in and renders toxic normally edible mollusks which feed on them

Examples of saxitoxin in a Sentence

Recent Examples on the Web The poison, called saxitoxin, comes from the same algae that glows like fairy dust at night in the lagoon. USA TODAY, "Lobster blood, Washington’s teeth, Hawaii shark hero: News from around our 50 states," 21 Feb. 2020 The study, led by Florida Tech, is the first report of saxitoxin being detected in marine mammals absent an algae bloom. USA TODAY, "Lobster blood, Washington’s teeth, Hawaii shark hero: News from around our 50 states," 21 Feb. 2020 Analysis found moderate levels of saxitoxin in samples taken from some decaying bodies. Hal Bernton, Anchorage Daily News, "Why are birds and seals starving in a Bering Sea full of fish?," 10 Nov. 2019 The rest had moderate levels of saxitoxin, according to Lefebvre. Hal Bernton, Anchorage Daily News, "Why are birds and seals starving in a Bering Sea full of fish?," 10 Nov. 2019 The two most common strains -- saxitoxin and domoic acid -- attack the nervous system. Hal Bernton, Anchorage Daily News, "Why are birds and seals starving in a Bering Sea full of fish?," 10 Nov. 2019 Alexandrium produces the toxin saxitoxin, which remains in the gulf in low concentrations during the year and explodes during blooms. Jenny Howard, National Geographic, "Red tides, explained," 5 July 2019 According to Sheffield, three of the walruses had low to moderate levels of saxitoxin, while the fourth one had high levels. Author: Davis Hovey, Anchorage Daily News, "High levels of algae-produced biotoxin found in dead walrus," 11 Dec. 2017 Sheffield says finding saxitoxins in walrus is not new for subsistence hunters in Western Alaska. Author: Davis Hovey, Anchorage Daily News, "High levels of algae-produced biotoxin found in dead walrus," 11 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'saxitoxin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of saxitoxin

1962, in the meaning defined above

History and Etymology for saxitoxin

saxi- (from New Latin Saxidomus giganteus, species of butter clam from which it is isolated) + toxin

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The first known use of saxitoxin was in 1962

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Cite this Entry

“Saxitoxin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/saxitoxin. Accessed 24 Sep. 2020.

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More Definitions for saxitoxin

saxitoxin

noun
saxi·​tox·​in | \ ˌsak-sə-ˈtäk-sən How to pronounce saxitoxin (audio) \

Medical Definition of saxitoxin

: a potent nonprotein neurotoxin C10H17N7O4·2HCl that originates especially in dinoflagellates (as of the genera Alexandrium, Gymnodinium, and Pyrodinium) found in red tides and causes paralytic shellfish poisoning when ingested in contaminated shellfish

More from Merriam-Webster on saxitoxin

Britannica.com: Encyclopedia article about saxitoxin

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