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http://dx.doi.org/10.5352/JLS.2007.17.10.1315

Radiographic Evaluation of Limb Bone Development in Miniature Porcine  

Chang, Jin-Hwa (Department of Veterinary Radiology, College of Veterinary Medicine Seoul National University)
Jung, Joo-Hyun (Department of Veterinary Radiology, College of Veterinary Medicine Seoul National University)
Choi, Min-Cheol (Department of Veterinary Radiology, College of Veterinary Medicine Seoul National University)
Publication Information
Journal of Life Science / v.17, no.10, 2007 , pp. 1315-1320 More about this Journal
Abstract
Epiphyseal development in the long bones was studied radiographically in minipigs. Radiographs of the proximal and distal epiphyses of humerus, radius, ulna, femur and tibia were obtained at 4, 8, 12, 20, 40, 48, 96 and 144 weeks of age in total 58 minipigs. The assessment of maturity process was made in accordance with the criteria proposed by Owada and Sutow. The secondary ossification centers developed rapidly from 4 weeks of age to 40 weeks of age, and gradually thereafter until 96 weeks of age. The earliest epiphyseal fusion was apparent in the proximal radius, proximal and distal femur at 96 weeks of age. The complete fusion of the epiphyseal line in the long bones was evident on 144 weeks of age and was observed in most long bones such as the proximal humerus, the proximal and distal ulna and the distal radius, and the proximal tibia in minipigs.
Keywords
Ossification; epiphyseal closure; minipigs; radiography;
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