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单词 tetrodotoxin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
te•tro•do•tox•in  (te trō′də toksin),USA pronunciation n. [Pharm.]
  1. Drugsa 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.
  • Neo-Latin Tetrodo(n) genus name of the puffer fish (see tetr-, -odont) + toxin
  • 1910–15

Collins Concise English Dictionary © HarperCollins Publishers::
tetrodotoxin /ˌtɛtrəʊdəʊˈtɒksɪn/ n
  1. a highly lethal neurotoxin found in certain puffer fish and in newts of the genus Taricha. Formula: C11H17N3O3
Etymology: 20th Century: from New Latin Tetrodon (puffer fish genus name, from Greek tetra- fourfold + odont- tooth) + toxin
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