134521.fig.002
Figure 2: Low magnification images of hematoxylin and eosin (HE) staining. (a) -TCP alone; (b) 1  g G-CSF in solution form; (c) 5  g G-CSF in solution form; (d) 20  g G-CSF in solution form; (e) free gelatin hydrogel; (f) 1  g G-CSF with gelatin hydrogel; (g) 5  g G-CSF with gelatin hydrogel; (h) 20  g G-CSF with gelatin hydrogel; and (i) untreated defect. Note the dense fibrous tissue surrounding focal bone formation in group H (arrow heads). Original magnification 40x; scale bar = 500  m. NB: newly formed bone; remaining -TCP.