Bone Regeneration by Nanohydroxyapatite/Chitosan/Poly(lactide-co-glycolide) Scaffolds Seeded with Human Umbilical Cord Mesenchymal Stem Cells in the Calvarial Defects of the Nude Mice

Figure 1

The images in calvarial defects of nude mice. (a) The calvarial defects of 6 mm in diameter. (b) The scaffolds were implanted into the calvarial defects.

(a)

(b)