the pattern of distribution of the heavily labelled nuclei , i.e . those nuclei belonging to cells most likely to have been born shortly after the time of [ 3h ] thymidine injection , indicated that the inner two thirds of the neocortex is laid down along a ventro-dorsal gradient , i.e . the lateral neocortex starts to form before the dorsal ;
C0007610
nuclei
C0007634
cells