Fig. 3From: Effects of physiological aging factor on bone tissue engineering repair based on fetal BMSCsCharacterization of Tissue engineering bone graft (TEBG). a TEBG observed in SEM after 14 days of culture; b FDP/PI staining of the TEBG after 7 days of culture; c FDP/PI staining of the TEBG after 14 days of culture. Scale bar: a 50 μm; b, c 80 μmBack to article page