title: Excitatory and inhibitory actions of acetylcholine on hearts of oyster and mussel.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology / Q000502:physiology*; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002463:Cell Membrane Permeability; D004594:Electrophysiology; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D008564:Membrane Potentials / Q000187:drug effects; D008974:Mollusca / Q000502:physiology*; D009119:Muscle Contraction; D009431:Neural Conduction; D011188:Potassium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism; D013045:Species Specificity; D009435:Synaptic Transmission / Q000187:drug effects
chemical_list: D012964:Sodium; D000109:Acetylcholine; D011188:Potassium