title: Brain stem projections to spinal motoneuronal cell groups in rat studied by means of electron microscopy autoradiography.
mesh_terms: D000818:Animals; D001345:Autoradiography; D008854:Microscopy, Electron; D009046:Motor Neurons / Q000502:physiology*; D051381:Rats / Q000502:physiology*; D013116:Spinal Cord / Q000166:cytology / Q000502:physiology*; D009435:Synaptic Transmission