Fig. 8From: Development of a micro-tissue-mediated injectable bone tissue engineering strategy for large segmental bone defect treatmentPicrosirius Red staining of the middle section of the three groups analyzed with polarization microscopy. a–c Panorama of the middle section of the three groups. d–f Pictures of the middle section of the three groups (× 40). g The osteogenic micro-tissue group had more collagen I (bright yellow, white arrow) (collagen I: bright yellow, strong light; collagen II: color grid, weak light; collagen III: green, thin fibers). Scale bar 500 μm. MT, osteogenic micro-tissue; DC, digested cells; Control, control groupBack to article page