By J. Wutz (auth.), E. W. Jecht, E. Zeitler (eds.)
It isn't a surprise that a lot research has been undertaken to set up the reason for childlessness, specially while the potentia coeundi of the male isn't really impaired. As some time past as 1957 the German Society for the research of Fertility and Sterility used to be based, embracing gynecology, andrology, and veterinary medication. After its inception, conferences carried out within the spirit of its beginning have been held each 2 years. This interdisciplinary, coordinated clinical paintings within the box of human replica completed its worth because of the stimuli supplied through the everlasting involvement of veterinary scientists. After approximately twenty years of job, the Society followed a hugely differentiated development of work-directions within the box of human and veterinary drugs. due to the fact 1976 annual conferences were hung on the subject of animal and human copy. those conferences have proved of serious worth, specially within the quarter of comparative medication, and feature ended in very good interdisciplinary institutions. some of the most glaring successes used to be the 1st extracorporal fertilization in people with next embryo move and full-term being pregnant. Gynecologists have came upon that during forty% of instances the reason for undesired childlessness rests with the male, and it really is for this reason no shock that still within the box of andrology definite elements fascinated about infertility have acquired nice attention.
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Example text
In addition to the intratesticular cause of varicocele orchiopathy, the impaired function of the tunica albuginea and the mediastinum testis seems to playa decisive role. This can be concluded from the histopathological alterations of these regions. Normally the testicular venous bloodstream flows centrally to the rete and mediastinum testis. In the periphery, the veins are drained into the large veins of the septulae, which are directed to the veins of the tunica vasculosa, and through these to the mediastinum testis.
Testicular biopsy. Interstitial edema, dilatation of small veins (t). Separated tubules with diminution of seminiferous epithelium. van Gieson, x 45 22 o. P. Hornstein Fig. 2. Testicular biopsy. ~) with advanced involution of spermatids and spermatocytes. Hyaline fibrosis surrounding a small shunt vessel (t). van Gieson, X 45 Fig. 3. Testicular biopsy. Pericellular sclerosis of Leydig cells with nuclear degeneration Minor fibrosis of the adjacent interstitial tissue. van Gieson, x 280 (~). Orchipathia e varicocele 23 Fig.
Heite H-J, Wokalek H, Pfrieme B (1980) Mannerheilkunde: Andrologie. Gustav Fischer. Stuttgart, pp 230-234 18 H. Wokalek 3. Hornstein OP (1973) Kreislaufst6rungen irn Hoden- und Nebenhodensystem und ihre Bedeutung fur die mannliche F ertilitat. Andrologia 5: 119-125 4. Ivanissevich 0 (1960) Left varicocele due to reflux. Experience with 4470 operative cases in forty-two years. J Int Coll Surg 34: 742-755 5. Lewis EL (1950) The Ivanissevich operation. J Uro163: 165-167 6. 0ster J (1971) Varicocele in children and adolescents.