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Kaiser, A.; Liebich, Hans-Georg; Maierl, Johann (2007): Functional anatomy of the distal radioulnar ligament in dogs. In: Anatomia, Histologia, Embryologia, Vol. 36, No. 6: pp. 466-468
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The objective of this study was to functionally characterize the distal radioulnar ligament connecting the distal ends of canine antebrachial bones. The ligament has been investigated histologically in five adult dogs. After decalcification and standard paraffin embedding, 5-μm-thick sections have been stained with Hematoxylin/Eosin, Resorcin/Fuchsin, Astrablue/Nuclear-fast-red, Astrablue/Orange G. The distal radioulnar ligament can be divided into two parts, a proximal, ‘interosseous’ and a distal ‘articular’. The former as a connecting structure experiences almost exclusively tensile stress in a proximolateral direction. The latter with an additional meniscal function is loaded in a combined tensile and compressive way. These findings can be explained with the characteristic valgus conformation of the canine carpal joint.