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Morphological changes in adult neural stem cells (NSCs) before and after induction. A: NSCs at 1 day before induction; B: NSCs at 3 days before induction; C: NSCs at 5 days before induction; D: NSCs after induction for 1 day; E: NSCs after induction for 3 days; F: NSCs after induction for 5 days.
