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  • Title: Distribution of cortical bone in bovine limbs.
    Author: Choi SJ, Lee JI, Kim NS, Choi IH.
    Journal: J Vet Med Sci; 2006 Sep; 68(9):915-21. PubMed ID: 17019059.
    Abstract:
    Xenogenic bone grafts have been widely researched because they are not limited in terms of volume and size like autogenous and allogenic grafts, and the favored bone for xenografts is bovine bone. However, the efficacy of cortical bone from bovine limb for xenografts is not clearly known. In this study, the distribution of cortical bone in bovine humerus, radius, femur, and tibia were investigated. Each experimental bone was split longitudinally with a bone saw and bone marrow and cancellous bone were removed. The thicknesses of cortical layers in sample diaphyses were measured at 1cm intervals using a micrometer. The mean lengths of cortical portions were; humerus 14.7 +/- 2.3 cm, radius 19.0 +/- 2.6 cm, femur 19.0 +/- 3.2 cm, and tibia 23.0 +/- 3.1 cm. Thickest cortical bone was found at the distal caudal metaphysis of the humerus, the proximal caudal metaphysis of the radius, the craniolateral and caudomedial midshaft of the femur and the lateral and medial midshaft of tibia. The mean surface areas of cortical bone were humerus 187.4 +/- 15.44 cm2, radius 229.2 +/- 43.31 cm2, femur 295.8 +/- 8.93 cm2, and tibia 290.0 +/- 30.44 cm2. And, mean volumes of cortical bone were humerus 149.42 +/- 15.35 cm3, radius 166.26 +/- 20.02 cm3, in femur 220.45 +/- 22.73 cm3, and tibia 214.89 +/- 20.05 cm3. The results of this study can be used to produce cortical bone-based plates and screws.
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