5-hydroxytryptamine as a possible inhibitory neurotransmitter in the central nervous system of the leech, Haemopis sanguisuga.
D002490:Central Nervous System / Q000187:drug effects / Q000502:physiology*; D005724:Ganglia / Q000187:drug effects / Q000502:physiology / Q000648:ultrastructure; D007099:Imipramine / Q000494:pharmacology; D007865:Leeches / Q000502:physiology*; D008854:Microscopy, Electron; D008856:Microscopy, Fluorescence; D009020:Morphine / Q000494:pharmacology; D009474:Neurons / Q000187:drug effects / Q000502:physiology; D012701:Serotonin / Q000494:pharmacology*
D012701:Serotonin; D009020:Morphine; D007099:Imipramine