Acetylcholine is an organic chemical that functions in the harn an bouk o mpny teeps o ainimals, includin humans, as a neurotransmitter—a chemical released bi nerve cells tae send signals tae ither cells. Its name is derived frae its chemical structur: it is an ester o acetic acid an choline. Pairts in the bouk that uise or are affectit bi acetylcholine are referred tae as cholinergic. Substances that interfere wi acetylcholine activity are cried anticholinergics.

Acetylcholine
Acetylcholine.svg
IUPAC name2-Acetoxy-N,N,N-trimethylethanaminium
AbbreviationACh
Soorcesmotor neurons, parasympathetic nervous system, harn
Targetsskeletal muscles, harn, mony ither organs
Receptorsnicotinic, muscarinic
Agonistsnicotine, muscarine, cholinesterase inhibitors
Antagoniststubocurarine, atropine
Precursorcholine, acetyl-CoA
Synthesisin enzymecholine acetyltransferase
Metabolisin enzymeacetylcholinesterase
Database links
CAS Nummer51-84-3 YesY
PubChemCID: 187
IUPHAR/BPS294
DrugBankEXPT00412 YesY
ChemSpider182 YesY
KEGGC01996 N