title: Cephalic mechanism for social control of fissioning in planarians. I. Feedback cue and switching characteristics.
mesh_terms: D000818:Animals; D003463:Cues; D005246:Feedback; D008433:Mathematics; D010675:Pheromones / Q000502:physiology; D010932:Planarians / Q000502:physiology*; D011156:Population Density; D012098:Reproduction; D012934:Social Isolation; D013997:Time Factors; D014110:Touch; D014419:Turbellaria / Q000502:physiology*; D014796:Visual Perception
chemical_list: D010675:Pheromones