title: Crustacean motor neuron connections traced by backfilling for electron microscopy.
mesh_terms: D000818:Animals; D003400:Astacoidea / Q000648:ultrastructure*; D003035:Cobalt; D005724:Ganglia / Q000648:ultrastructure; D006652:Histological Techniques / Q000379:methods*; D007267:Injections; D008854:Microscopy, Electron; D009046:Motor Neurons / Q000648:ultrastructure*; D013569:Synapses / Q000648:ultrastructure*
chemical_list: D003035:Cobalt