Fig. 4.
Expression of BMPR-IA mRNA in DRG during development. BMPR-IA mRNA is expressed homogeneously in DRG (cervical region) in the E16 mouse embryo. The abundant expression persists in P0 DRG (arrow, cervical region) and in Adult DRG (shown at higher magnification). Notice that in Adult, BMPR-IA mRNA is expressed primarily by large neuronal cells. Scale bars: E16 and P0, 300 μm;Adult, 100 μm.