Fig. 2
From: Ras associated with diabetes may play a role in fracture nonunion development in rats
Immunohistochemical analysis showing Rad and Rem1 expression (brown staining) in cartilage calluses in standard healing fractures, as visualized using antibodies to a Rad at post-fracture days 14 and c 21, and b Rem1 at post-fracture days 14 and d 21. Bars, 100 μm; HC, hypertrophic chondrocytes; PC, proliferating chondrocytes. Black arrows, osteoblasts lining the trabecular bone surface