botulinum toxin A
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|Noun||1.||botulinum toxin A - a neurotoxin (trade name Botox) that is used clinically in small quantities to treat strabismus and facial spasms and other neurological disorders characterized by abnormal muscle contractions; is also used by cosmetic surgeons to smooth frown lines temporarily|
botulinum toxin - any of several neurotoxins that are produced by the anaerobic bacterium Clostridium botulinum; causes muscle paralysis
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