Repairing the Osteochondral Defect in Goat with the Tissue-Engineered Osteochondral Graft Preconstructed in a Double-Chamber Stirring Bioreactor

Figure 3

𝛽-TCP composite scaffold with goat BMSCs. (a) General observation of the 𝛽-TCP cylinder scaffold (diameter: 6 mm; length: 12 mm). (b) The porous internal structure of the scaffold under SEM (×50). (c) Observation of BMSCs attached on the surface of the materials under SEM (×500). (d) Observation of BMSCs attached on the surface of the materials under SEM (×5000).