Figure 4
From: Endothelial cells enhance the in vivo bone-forming ability of osteogenic cell sheets

Histological characterization of retrieved implants 7 days after transplantation of the coculture (a, c, e) or monoculture (b, d, f) constructs. Retrieved constructs were stained with hematoxylin and eosin (H&E) (a, b) and alizarin red (e, f) and immunostained for osteopontin (c, d).