Fig. 6
From: Strontium-incorporated bioceramic scaffolds for enhanced osteoporosis bone regeneration

Histological analysis of bone tissue regeneration for critically sized calvarial defects. a Typical photographs by HE analysis for each group. b Corresponding quantitative variables. FT: fibrous tissue (blue arrows); NB: new bone (red arrows). Notes: The symbol ⋆ indicates P < 0.05 compared with the N-MBG group, and the symbol # indicates P < 0.05 compared with the 1Sr-N-MBG group