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Particularities of the vascularization of urethral pars prostatica in the dog

Zhivotnov"dni Nauki 36(5-6): 104-109

Particularities of the vascularization of urethral pars prostatica in the dog

On the subepithelial layer of pars prostatica, straight, longitudinally oriented vessels with anastomoses among them were observed. Urethral vessels are situated one over another because of the high folds of the urethral mucose at rest. The prostatic part of the urethra is supplied by a dorsally situated arteriole. The urethral arteriole was separated from the cranial branch of the prostaic artery and possess its own blood supply. At the places where the ductus deferentis ended in the prostatic sinus, the capillary network formed two plexuses with an elongated shape. The venous plexus formed around the end of ductus deferentis is characterized with vessels of various size. That suggested a functional opportunity for a very rapid efflux.

Accession: 011119604

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