Fig. 3

IGF-1 a and BMP-2 b in the growth plate was detected using immunohistochemistry. Control: DW, HB100: Huang Bai (100 mg/kg, p.o.), HB300: Huang Bai (300 mg/kg, p.o.), rhGH: recombinant human growth hormone (20 μg/kg, s.c.), estradiol: 17β-estradiol (1 μg/kg, s.c.), triptorelin: triptorelin (100 μg, i.p.). RZ: resting zone, PZ: proliferative zone, HZ: hypertrophic zone. Scale bar = 100 μm