tetrodotoxin

[ te-troh-duh-tok-sin ]
/ tɛˌtroʊ dəˈtɒk sɪn /

noun Pharmacology.

a neurotoxin, C11H17N3O3, occurring in a species of puffer fish: ingestion of the toxin is usually rapidly fatal due to heart failure or asphyxiation; used experimentally to block impulse conduction potential in excitable cells.

Nearby words

  1. tetravalent,
  2. tetrazene,
  3. tetrazzini,
  4. tetrazzini, luisa,
  5. tetrode,
  6. tetrose,
  7. tetroxide,
  8. tetryl,
  9. tetrytol,
  10. tetter

Origin of tetrodotoxin

1910–15; < New Latin Tetrodo(n) genus name of the puffer fish (see tetr-, -odont) + toxin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for tetrodotoxin

tetrodotoxin

/ (ˌtɛtrəʊdəʊˈtɒksɪn) /

noun

a highly lethal neurotoxin found in certain puffer fish and in newts of the genus Taricha . Formula: C 11 H 17 N 3 O 3

Word Origin for tetrodotoxin

C20: from New Latin Tetrodon (puffer fish genus name, from Greek tetra- fourfold + odont- tooth) + toxin

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for tetrodotoxin

tetrodotoxin

[ tĕ-trō′də-tŏksĭn ]

n.

A potent neurotoxin, found in many puffer fish and certain newts.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.