title: Chemical neurotransmission: an hypothesis concerning the evolution of neurotransmitter substances.
mesh_terms: D001665:Binding Sites; D005075:Biological Evolution; D001693:Biological Transport, Active / Q000187:drug effects; D002463:Cell Membrane Permeability / Q000187:drug effects; D008959:Models, Neurological; D018377:Neurotransmitter Agents / Q000502:physiology*; D009598:Nitrophenylgalactosides / Q000494:pharmacology; D012964:Sodium / Q000378:metabolism; D009435:Synaptic Transmission
chemical_list: D018377:Neurotransmitter Agents; D009598:Nitrophenylgalactosides; D012964:Sodium