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Tissue engineering of bone is an interesting field of research. Many approaches to bone tissue engineering such as from bone marrow stromal cells in vitro have been reported. Furthermore, a model of vascularized tissue-engineered bone flap has been reported. However, there has been no report of bone tissue engineering using omentum. We present a study of tissue engineering of bone from omentum in a rabbit model. The omentum, which was elevated based on the right gastroepiploic vessels, was wrapped by the periosteum from cranial bone in the abdomen of rabbits. We harvested the omentum thus wrapped 1, 2, 4, 6, 8, 12, or 24 weeks after surgery. Within 1 week after surgery, woven bone was formed and clusters of osteoblasts were observed. At 8 weeks, medullization, including the presence of granulocytes, was confirmed. This technique might prove useful for creating tissue-engineered bone flaps for reconstructive surgery.


  • Nagoya Journal of Medical Science

    Nagoya Journal of Medical Science 72(3-4), 111-117, 2010-08

    Nagoya University School of Medicine


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