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Hormonal regulation of spermatogenesis in the hypophysectomized rat: quantitation of germ-cell population and effect of elimination of residual testosterone after long-term hypophysectomy
Testis germ cells androgen morphometry
2009/2/17
Spermatogenesis continues after long-term hypophysectomy (Hx), but massive cell degeneration prevents seminiferous tubules from attaining the full complement of cells. One objective of this study ...
2,5-hexanedione exposure in the rat results in long-term testicular atrophy despite the presence of residual spermatogonia
Germ cell repopulation Sertoli cell toxicity spermatogonia
2009/2/7
Charles River CD rats (approximate weight, 208 g) were exposed to 1.0% 2,5-hexanedione (2,5-HD) in drinking water for 5 weeks. Rats were killed 27, 60, and 75 weeks after exposure to evaluate the re...
Insufficient Response to Venous Stripping Surgery:Is the Penile Vein Recurrent or Residual?
venous occlusive dysfunction deep dorsal vein cavernosal vein para-arterial vein
2008/12/24
There is currently controversy on whether the insufficient response to penile venous surgery done in an attempt to restore erectile function is due to recurrent or residual veins. In order to elu...