Fig. 3From: Enhancing cranial defect repair in rats: investigating the effect of combining Total Flavonoids from Rhizoma Drynariae with calcium phosphate/collagen scaffoldsSchematic diagram of the region of interest (ROI) measurement of a bone defect. The system automatically recognizes the sagittal midpoint of cranial defects, yellow arrows indicate 2.5Â mm side extensions and the red portion is the ROI areaBack to article page