title: Dopamine-induced inhibition and excitation of neurones of the snail Helix aspersa.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D004298:Dopamine / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D004837:Epinephrine / Q000494:pharmacology; D005724:Ganglia / Q000187:drug effects; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects; D008839:Microelectrodes; D009474:Neurons / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology; D012908:Snails / Q000502:physiology*
chemical_list: D000109:Acetylcholine; D004298:Dopamine; D009638:Norepinephrine; D004837:Epinephrine