title: Ionic dependence of the response to acetylcholine of a molluscan buccal muscle: the radular protractor of Busycon canaliculatum.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D002118:Calcium / Q000494:pharmacology; D008974:Mollusca / Q000502:physiology*; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000187:drug effects / Q000502:physiology*; D012623:Seawater; D012964:Sodium / Q000494:pharmacology
chemical_list: D012964:Sodium; D000109:Acetylcholine; D002118:Calcium