title: Axonal growth cones and developing axonal collaterals form synaptic junctions in embryonic mouse spinal cord.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure; D051379:Mice; D008810:Mice, Inbred C57BL; D008854:Microscopy, Electron; D013116:Spinal Cord / Q000196:embryology* / Q000648:ultrastructure; D013569:Synapses