Expansive growth of the nuclear envelope and formation of mitochondria in ganglionic neuroblasts.
D000818:Animals; D002454:Cell Differentiation; D002467:Cell Nucleus; D002642:Chick Embryo / Q000166:cytology*; D005727:Ganglia, Spinal / Q000166:cytology*; D008854:Microscopy, Electron; D008928:Mitochondria