Figure 1.
Ephrin-B1–mediated cell segregation in mice occurs in the neuroepithelium at E8.5. Comparison of Efnb1+XGFP/Δ heterozygote and control (Efnb1+XGFP/lox) mouse embryos stained for ephrin-B1 (magenta) and GFP (green) at E7.75–E8.5. Numbers of embryos analyzed are presented in Table S2. Bars, 150 µm. See also Fig. S1.