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botulinum toxin
noun
: 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)
Examples of botulinum toxin in a Sentence
Recent Examples on the Web
However, certain products can yield results similar to those of the neuromodulator botulinum toxin—a.k.a.
—Jennifer Hussein, Allure, 28 Sep. 2024
Allow doctors to choose the safest dose if an injection of botulinum toxin is needed for a medical condition.
—Jonathan Limehouse, USA TODAY, 16 Apr. 2024
Symptoms of botulism can start anywhere from six hours to two weeks after consuming food that contains botulinum toxin, per the FDA.
—Korin Miller, Health, 22 June 2024
Blepharospasms and hemifacial spasms can be treated with regular injections of botulinum toxin.
—Lindsey Bever, Washington Post, 27 July 2024
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Word History
First Known Use
1923, in the meaning defined above
Dictionary Entries Near botulinum toxin
Cite this Entry
“Botulinum toxin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/botulinum%20toxin. Accessed 23 Dec. 2024.
Medical Definition
botulinum toxin
noun
variants
also botulinus toxin
: a very powerful neurotoxin that causes botulism and is produced by the botulinum bacterium (Clostridium botulinum)
also
: botulinum toxin type a
Note: Botulinum toxin acts primarily on the parasympathetic nervous system.
More from Merriam-Webster on botulinum toxin
Britannica.com: Encyclopedia article about botulinum toxin
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