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a hallucinogen having indole characteristics, isolated from the mushroom Psilocybe mexicana.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
The N',N' -dimethyl derivative of 4-hydroxytryptamine; obtained from the fruiting bodies of the fungus Psilocybe mexicana and other species of Psilocybe and Stropharia. Psilocybin is a congener of 5-hydroxytryptamine, with striking central nervous system effects, and is readily hydrolyzed to 4-hydroxybufotenine; used as a hallucinogenic agent (and by native Mexicans to induce trances).
Farlex Partner Medical Dictionary © Farlex 2012
A hallucinogenic compound, C12H17N2O4P, obtained from mushrooms chiefly of the genus Psilocybe.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Fungal agent used as a hallucinogen (and by native Mexicans to induce trances).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
psilocybinA powerfully hallucinogenic phosphorylated tryptamine present in the fungi contaminating some types of mushrooms, especially in Psilocybe mexicana . It is a powerful hallucinogenic drug with properties similar to those of LSD.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005