Figure 1From: High resolution MRI imaging at 9.4 Tesla of the osteochondral unit in a translational model of articular cartilage repairSchematic illustration of a medial fermoral condyle with a cartilage defect and drill holes. sagittal (a) and axial (b) cross section. In (a) the dashed line indicates the former level of articular cartilage. Each defect (4.0 × 8.0 mm) was treated with six drill holes (diameter 1.0 mm, length 10.0 mm).Back to article page