Figure 2From: Pulsed electromagnetic fields stimulation prevents steroid-induced osteonecrosis in rats Histological appearance of the proximal one-third of femur in the three groups at week 8. (A) PS group. (B) MPSL group. (C) PEMF group. The arrows represent empty lacunae or pyknosis of osteocytes in the bone trabeculae, accompanied by surrounding bone marrow cell necrosis. (hematoxylin and eosin stain, ×100).Back to article page