title: Identified serotonin neurons.
mesh_terms: D000818:Animals; D001048:Aplysia / Q000166:cytology; D001370:Axonal Transport; D001921:Brain / Q000166:cytology; D004210:Dissection; D006372:Helix, Snails / Q000166:cytology; D007865:Leeches / Q000166:cytology; D008974:Mollusca / Q000166:cytology; D009434:Neural Pathways / Q000033:anatomy & histology; D009474:Neurons / Q000145:classification* / Q000378:metabolism / Q000502:physiology / Q000648:ultrastructure; D018377:Neurotransmitter Agents / Q000378:metabolism; D012701:Serotonin / Q000032:analysis / Q000378:metabolism*
chemical_list: D018377:Neurotransmitter Agents; D012701:Serotonin