Histological observation in bone defect model.

<p>HE staining of the transverse bone defect sections in different groups at 4 weeks and 12 weeks post-surgery. Abbreviations used: scaffold (S); new bone from implanted scaffold (NB-S); bone marrow (BM); cortical bone (CB), trabecular bone (TB). Scale bar equals 400µm. (Group 1 referred to <i>β</i>-TCP group; Group 2 referred to ADSCs/<i>β</i>-TC group; Group 3 referred to Ad-CGRP-ADSCs/<i>β</i>-TCP group).