Figure 2
Femoral head with AVN treated with alendronate after 42 days. The right operated femoral head of an alendronate-treated rat. There are just remnants of the physeal cartilage (●). The physis has been breached and epiphyseal-metaphyseal bridges (long thin arrow) join the epiphyseal and metaphyseal bony trabeculae with one another. The articular cartilage is of unequal thickness (thick arrow). Even so the hemispherical configuration is preserved. The height of epiphysis is within the standard range. Remnants of the ligamentum teres (■).