Figure 5: Effects of δ-TOS on bone marrow recovery after sublethal irradiation.

Non-irradiated group was administrated vehicle without irradiation. Irradiated group and δ-TOS group were respectively administrated with vehicle and δ-TOS (100 mg/kg) 24 h before & 1 h after 6.5 Gy TBI. Hematoxylin and eosin staining of the BM cavities of femurs and sternums: (a and d) Femurs from non-irradiated group; (b and e) Femurs from irradiated group; (c and f) Femurs from δ-TOS group; (g) Sternums from non-irradiated group; (h) Sternums from irradiated group; (i) Sternums from δ-TOS group.