Fig. 6

Histological analysis of fractured bones of polytrauma (PT) rats that received vehicle or RU.521. Paraffin embedded bone samples were stained with hematoxylin and eosin (H&E) stain. MNGC – multinucleated giant cells; OB – osteoblasts; FB – fibroblasts; BV – blood vessel; New – new bone formation; Cortex – existing cortical bone; and Defect – defect created during surgery