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Fig. 6 | Journal of Orthopaedic Surgery and Research

Fig. 6

From: Development of a tibial experimental non-union model in rats

Fig. 6

Histological appearance with hematoxylin and eosin staining of the control group models (ac) and non-union group models (df) at 2, 4, and 8 weeks. At 2 weeks after fracture, the control group models showed intramembranous ossification and endochondral ossification at the fracture site (a). However, there was no ossification on the site of periosteal cauterization in the non-union subjects (d). The fracture of the control group united at 4 weeks after surgery (b), while the non-union group models still had a large gap (e). At 8 weeks, the bridging callus in the control group had remodeled (c). In the non-union group, the gap was obvious, and the cortical bone began to be absorbed (f). Original magnification ×50

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