hemicholinium
noun
hemi·cho·lin·ium
-kō-ˈlin-ē-əm 
: any of several blockers of the parasympathetic nervous system that interfere with the synthesis of acetylcholine
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“Hemicholinium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hemicholinium. Accessed 5 Jul. 2025.
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