The role of vessels of male reproduction tract in its regulation in males of not domesticated species
The vessels composed the seminal funiculus, perform not only blood function, but they are an active structure in the local concentration of hormones in the area of the reproductive tract. Research performed with the use of males crossbred between wild boar and pig showed that the mechanism back and destinated transfer of testosterone at the area of the
reproductive tract exist and change during the winter and the summer. The highest local testosteron concentration is observed during the winter, when appears the reproductive season of them. In the winter-period the concentration of the testosterone in the common carotid artery was 10,16 pg/ml, in testicular artery (margo liber) 21,63 pg/ml, in the artery of epididymis (area of head) 52,35 pg/ ml and in the venous outflow 205,75pg/ ml. In the summer in analogous vessels
the concentration of the testosterone in the blood collected from the common carotid artery was 8,08 pg/ ml, in testicular artery (margo liber) 8,37 pg/ ml, in the artery of epididymis (area of head) 15,24 pg/ ml and in the venous outflow 232,92 pg/ ml. Obtained results indicated that during the male reproductive season local concentration of testosterone in area of reproductive tract exists, as a stimulatory factor included in process of spermatogenesis.
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Copyright (c) 2009 Anna Tabęcka-Łonczyńska, Marek Koziorowski
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