Morfology study of the spermatic cord in Corriedale sheeps (Ovis aries, L. 1758)
AbstractWe have been studied histological aspect of 40 pairs of spermatic cord in adults Corriedale sheep. It was observed that structures were wrapped up a thin layer of dense fibroelastic connective tissue with variable thickness and folding, recovered by mesotelium, which involves all the neurovascular cord, and forms the mesoductus deferents. Under this arrangement there was a layer of loose fibroelastic tissue involving partially the cord and insulating in the deferential and abdeferential regions the vessels and nerves of the epididimus. Around the mesoductus deferents the subcapsular tissue forms with the internal layer of the meso, which protects vessels and nerves. In the abdeferential region we can see a little fatty tissue between vessels and nerves. A dense connective tissue with elastic fibers occurs between vessels and nerves of the testis and vessels of the deferential an abdeferential regions. The vascular arrangement shows in the cord the sinuous trajectory of the testicular artery recovered by the plexus pampiniformis, whose veins shows connections and have no valves. The veins of the epididimus and ductus deferents are subcapsular. The length of the intra spermatic cord segment of the testicular artery has a medium, maximum and minimal ranges, respectively 150.4 cm, 198.0 cm and 73.3 cm, on the right, and 149.6 cm, 189.2 cm and 90.0 cm, on the left. There were no statistical differences between the right and left medium ranges.
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