title: Acetylcholine receptors: introductory remarks.
mesh_terms: D000818:Animals; D004593:Electrophorus / Q000502:physiology; D009469:Neuromuscular Junction / Q000502:physiology; D011950:Receptors, Cholinergic / Q000502:physiology*
chemical_list: D011950:Receptors, Cholinergic