title: Some speculations on the chemical nature of postjunctional membrane receptors.
mesh_terms: D000109:Acetylcholine / Q000502:physiology; D002463:Cell Membrane Permeability / Q000502:physiology; D007477:Ions / Q000502:physiology; D008564:Membrane Potentials / Q000502:physiology; D009469:Neuromuscular Junction / Q000502:physiology*; D010276:Parasympatholytics / Q000494:pharmacology; D010277:Parasympathomimetics / Q000494:pharmacology; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D011955:Receptors, Drug / Q000502:physiology*; D011984:Sensory Receptor Cells / Q000187:drug effects / Q000502:physiology*
chemical_list: D007477:Ions; D010276:Parasympatholytics; D010277:Parasympathomimetics; D000644:Quaternary Ammonium Compounds; D011955:Receptors, Drug; D000109:Acetylcholine