Figure 1. Progenitor cells in the P2 domain express common developmental regulator genes.
(A-E) In situ hybridization (A-C) and immunostaining (D,E) on coronal sections of mouse brains at E12.5, except for C at E13.5. Probes and antibodies are indicated in the lower left corner of the image. The brackets and asterisks denote the epithalamus and the expression in the ventricular zone of the thalamus, respectively.