title: Quantitative studies on the neurons of the leech, Hirudo medicinalis.
mesh_terms: D000818:Animals; D010134:Fenclonine / Q000494:pharmacology; D005453:Fluorescence; D007865:Leeches; D008954:Models, Biological; D009474:Neurons / Q000032:analysis / Q000378:metabolism*; D012110:Reserpine / Q000494:pharmacology; D012701:Serotonin / Q000032:analysis / Q000378:metabolism; D013050:Spectrometry, Fluorescence
chemical_list: D012701:Serotonin; D012110:Reserpine; D010134:Fenclonine