Fig. 1. Expression pattern of Shh, Ihh, Ptch and Bmp4 in the prenatal and neonatal kidney and ureter. In situ hybridization with probes as indicated to stages as indicated. (A-D) Parasagittal sections of E14.5 kidney and ureter. Scale bar: 200 µm. (E-H) Coronal sections of the newborn kidney. Arrow in H indicates signals in glomeruli. Scale bar: 500 µm. (I-L) Cross-sections of the newborn ureter. Scale bar: 100 µm.