title: The development of descending spinal connections. Studies using the North American opossum.
mesh_terms: D000818:Animals; D000831:Animals, Newborn / Q000502:physiology; D001931:Brain Mapping; D004525:Efferent Pathways / Q000254:growth & development; D009893:Opossums / Q000254:growth & development*; D013116:Spinal Cord / Q000254:growth & development*