acetylcholine
noun
- chemical compound
Wiktionary
Pronunciation: /əˌsitəlˈkoʊlin/
noun
- A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃.
“Acetylcholine build-up in the body can be toxic.”