Fig. 2

Parietooccipital sulcus (Pos) at 12th gw. The forming cortical plate was clearly visible on Nissl staining (a) and in NeuN-immunohistochemical labeling (b). NeuN-immunopositive neuroblasts were already seen in the subventricular (SVZ), intermediate zone (IZ), cortical plate (CP) and marginal zone (MZ). Right hemisphere. Coronal section. Scale bar: 100 µm