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A highly toxic alkaloid, C9H20NO2, found in fly agaric and certain other mushrooms. When ingested, it binds to acetylcholine receptors and thus stimulates the parasympathetic nervous system.

[New Latin muscāria, specific epithet (from feminine of Latin muscārius, of flies, from musca, fly) + -ine.]

mus′ca·rin′ic (-rĭn′ĭk) adj.
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.


(ˈmʌskərɪn; -ˌriːn)
(Biochemistry) a poisonous alkaloid occurring in certain mushrooms. Formula: C9H21NO3
[C19: from Latin muscārius of flies, from musca fly]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈmʌs kər ɪn, -kəˌrin)

a poisonous compound, C8H19NO3, found in certain mushrooms, esp. fly agaric, and in decaying fish.
[1870–75; < Latin muscār(ius) of flies (musc(a) fly + -ārius -ary) + -ine2]
mus`ca•rin′ic (-ˈrɪn ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Two types of neuronal muscarine receptors modulating acetylcholine release from guinea-pig myenteric plexus.
It has demonstrated little affinity to Histamine H1 and muscarine M1 receptor.
melanogaster) Human adipose Red grape (muscarine) derived stem cells grape seed oil, in (hASCs) comparison to rice bran and olive oils High-glucose induced Grape seed polyphenols oxidative stress in porcine proximal tubule cells (LLC- [PK.sub.1]) In vivo animal: Rats exposed to Grape polyphenols OR localised bowel pure quercetin 3/O/ irradiation [beta]-/glucoside (10mg/mL, 7.14mL/kg body mass) by oral gavage for 5 days prior to irradiation Rats subjected to E.
ICC-DMP are the primary target cells of nerve fibers and express many neurotransmitter receptors, for example, muscarine receptors (M2 and M3), somatostatin 2A receptors, neurokinin receptors NK1 and NK3, vasoactive intestinal peptide (VIP-R), and so forth [36].