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botulinum toxin

noun

a pharmaceutical formulation of botulin used in minute doses to treat various forms of muscle spasm and for the cosmetic removal of wrinklesSee Botox

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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
Science definitions for botulinum toxin

botulinum toxin

[bŏch′ə-lī′nəm]

Any of several enzymes produced by the bacterium Clostridium botulinum that are extremely potent neurotoxins. Botulinum toxin interferes with the ability of neurons to release acetylcholine at nerve-muscle junctures, thereby inducing the paralysis of botulism. Botulinum toxin is resistant to enzymatic digestion in the body and is used as an antispasmodic and a treatment for wrinkles by paralyzing facial muscles. Also called botulin
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.