title: The action of some catecholamines and 5-hydroxytryptamine on heart in lower vertebrates.
mesh_terms: D000818:Animals; D001001:Anura; D001285:Atropine / Q000494:pharmacology; D002395:Catecholamines / Q000494:pharmacology*; D003530:Cyprinidae; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D007545:Isoproterenol / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D011896:Rana temporaria; D012621:Seasons; D012701:Serotonin / Q000494:pharmacology*; D012911:Snakes
chemical_list: D002395:Catecholamines; D012701:Serotonin; D001285:Atropine; D011433:Propranolol; D007545:Isoproterenol; D009638:Norepinephrine; D004837:Epinephrine