The action of acetylcholine, dopamine and 5-hydroxytryptamine on the spontaneous activity of the cells of Retzius of the leech, Hirudo medicinalis.
D000109:Acetylcholine / Q000037:antagonists & inhibitors*; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D003650:Decamethonium Compounds / Q000494:pharmacology; D004298:Dopamine / Q000494:pharmacology*; D005724:Ganglia / Q000187:drug effects*; D006584:Hexamethonium Compounds / Q000494:pharmacology; D007865:Leeches; D008784:Methysergide / Q000494:pharmacology; D011809:Quinones / Q000494:pharmacology; D012702:Serotonin Antagonists; D014403:Tubocurarine / Q000494:pharmacology
D003650:Decamethonium Compounds; D006584:Hexamethonium Compounds; D011809:Quinones; D012702:Serotonin Antagonists; D001285:Atropine; D000109:Acetylcholine; D004298:Dopamine; D014403:Tubocurarine; D008784:Methysergide