title: Neuronal geometry of RETZIUS cells in Hirudo medicinalis.
mesh_terms: D000200:Action Potentials; D000818:Animals; D007865:Leeches / Q000166:cytology*; D009434:Neural Pathways; D009474:Neurons / Q000166:cytology* / Q000502:physiology; D013194:Staining and Labeling