The response to acetylcholine.
D000109:Acetylcholine / Q000502:physiology*; D000494:Allosteric Regulation; D000818:Animals; D009469:Neuromuscular Junction / Q000502:physiology* / Q000648:ultrastructure; D011950:Receptors, Cholinergic / Q000502:physiology*; D009435:Synaptic Transmission
D011950:Receptors, Cholinergic; D000109:Acetylcholine