title: Acetylcholine activity in an identified 5-hydroxytryptamine containing neuron.
mesh_terms: D000109:Acetylcholine / Q000502:physiology*; D000818:Animals; D049872:Bivalvia / Q000502:physiology*; D006321:Heart / Q000502:physiology; D066298:In Vitro Techniques; D009474:Neurons / Q000502:physiology*; D012623:Seawater; D012701:Serotonin / Q000502:physiology*
chemical_list: D012701:Serotonin; D000109:Acetylcholine