Definition of botulinum toxin
: a neurotoxin formed by botulinum that causes botulism and that is injected in a purified form for therapeutic and cosmetic purposes (as to treat blepharospasm and reduce wrinkles)
First Known Use of botulinum toxin
Variants of botulinum toxin
Learn More about botulinum toxin
Britannica.com: Encyclopedia article about botulinum toxin
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