botulinum toxin
Britishnoun
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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.
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Also called botulin
Example Sentences
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Under UK law, only a doctor, prescribing nurse or pharmacist, or dentist is legally allowed to prescribe botulinum toxin - commonly known as Botox – after an appropriate face-to-face clinical assessment.
From BBC ● Oct. 13, 2025
She says that having botulinum toxin injected at such an early age risks building up a tolerance to it.
From BBC ● Aug. 23, 2025
Botox, or botulinum toxin, is used cosmetically to temporarily smooth fine lines on the face.
From Los Angeles Times ● May 9, 2024
Most of the people said they got injections of botulinum toxin for cosmetic reasons.
From Seattle Times ● Apr. 23, 2024
Importation of botulinum toxin into the U.S. is restricted and requires proper documentation from the Food and Drug Administration.
From Washington Times ● Jul. 7, 2023
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