Fig. 3

Egfr^ΔOb mice phenocopy the bone phenotype of Egfr^−/− mice. a H&E stainings showing distal femurs with increased zone of hypertrophic chondrocytes in 6-day-old Egfr^ΔOb mice; scales: 200 µm (lower magnification) and 100 µm (higher magnification). b µCT image of femurs from 3-months old Egfr^wt and Egfr^ΔOb littermate; scale: 1 mm. c Quantification of femur length of Egfr^wt and Egfr^ΔOb mice with indicated age