title: Studies on neurones from the segmental ganglion of the leech, Hirudo medicinalis.
mesh_terms: D000818:Animals; D001369:Axons / Q000502:physiology; D005724:Ganglia / Q000166:cytology; D066298:In Vitro Techniques; D007478:Iontophoresis; D007865:Leeches / Q000502:physiology*; D009474:Neurons / Q000187:drug effects*; D011955:Receptors, Drug; D012701:Serotonin / Q000494:pharmacology*; D013329:Structure-Activity Relationship
chemical_list: D011955:Receptors, Drug; D012701:Serotonin