Fig. 1.
Histological study of the light microscopy (HE staining). (a) Normal lacunae in Group B; (b) Empty lacunae increased 16 weeks after DEX injection in Group A; (c) Normal subchondral vessels in Group B; (d) Subchondral vessels decreased 16 weeks after DEX injection in Group A; (e) Normal fat cells of marrow cavity in Group B; (f) Enlarged fat cells of marrow cavity 16 weeks after DEX injection in Group A