(redirected from maculotoxin)
Also found in: Thesaurus, Medical, Encyclopedia.


A potent neurotoxin, C11H17N3O8, found in many pufferfishes and certain other animals, including some salamanders and crabs.

[Shortening and alteration of New Latin Tetraodōn, pufferfish genus (Greek tetra-, tetra- + New Latin -odōn, -odon (so called because members of the genus have two upper and two lower teeth)) + toxin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Zoology) a highly lethal neurotoxin found in certain puffer fish and in newts of the genus Taricha. Formula: C11H17N3O3
[C20: from New Latin Tetrodon (puffer fish genus name, from Greek tetra- fourfold + odont- tooth) + toxin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(tɛˌtroʊ dəˈtɒk sɪn)

a neurotoxin, C11H17N3O3, occurring in a species of puffer fish: ingestion may be fatal.
[1910–15; < New Latin Tetrodo(n) genus name of the puffer fish + toxin]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tetrodotoxin - a powerful neurotoxin found in the ovaries of pufferfish
blowfish, puffer, pufferfish, sea squab - delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver
neurolysin, neurotoxin - any toxin that affects neural tissues
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Maculotoxin: a neurotoxin from the venom glands of the octopus Hapalochlaena maculosa identified as tetrodotoxin.