Early developmental events: cell lineages, acquisition of neuronal positions, and areal and laminar development.
D000818:Animals; D002454:Cell Differentiation; D002465:Cell Movement; D002540:Cerebral Cortex / Q000166:cytology*; D002552:Cerebral Ventricles / Q000166:cytology; D006801:Humans; D008253:Macaca mulatta; D008938:Mitosis; D009412:Nerve Fibers / Q000648:ultrastructure; D009434:Neural Pathways / Q000166:cytology; D009457:Neuroglia / Q000166:cytology; D009474:Neurons / Q000166:cytology; D013116:Spinal Cord / Q000166:cytology