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. 2018 Mar 1;12:1179069518759332. doi: 10.1177/1179069518759332

Figure 3.

Figure 3.

Different models of neuronal subtype specification in developing neocortex. (A) In the common progenitor model, a single type of multipotent NSC sequentially gives rise to all neuronal subtypes during the course of development. Overtime, the fate potential of this NSC becomes increasingly restricted. Fate of the neuron is specified based on its birth date. (B) In the multiple progenitor model, multiple types of NSCs coexist and are, to some degree, predetermined to give rise to specific and restricted neuronal subtypes. Fate of the neuron is specified by the NSC type in this model. BP indicates basal progenitor; NSC, neural stem cell.