• synonyms


  1. a peptide toxin, responsible for the toxicity of the death cap mushroom, Amanita phalloides
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Word Origin for phalloidin

C20: New Latin, from phallus + -oid + -in
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

Examples from the Web for phalloidin

Historical Examples of phalloidin

  • Or affirmed that the phalloidin of the Amanita phalloides was very nearly related to, and perhaps identical with, strychnine.

    Student's Hand-book of Mushrooms of America, Edible and Poisonous

    Thomas Taylor

phalloidin in Medicine


  1. A heat-stable, toxic, cyclic peptide produced by Amanita phalloides that acts by binding actin and causes vomiting, convulsions, diarrhea, asthenia, and death.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.