Relating to or caused by botulin or botulinum toxin.
From 'botulin' plus the adjectival suffix '-al', used in medical and scientific writing to describe effects or conditions related to botulinum toxin.
Botulinal poisoning (botulism) is rare but terrifying because victims remain conscious while their muscles progressively paralyze—they can think and feel but can't move or breathe without a ventilator.
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