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The hormonal regulation of premeiotic steps of spermatogenesis in the newborn rat
mmature testis follicle stimulating hormone newborn rats testosterone propionate testicular
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2009/2/20
the effect of high doses of testosterone propionate (TP) on the development of the first spermatogenic wave was systematically analyzed to determine the period of maximal susceptibility to testoster...
Hormonal regulation of inhibin B secretion by immature rat sertoli cells in vitro：possible use as a bioassay for estrogen detection
Male reproduction estrogens
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2009/2/18
The influences of follicle-stimulating hormone (FSH), gonadal steroids, and culture time were studied in relation to inhibin B production by Sertoli cells of immature rats cultured in vitro. Serto...
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
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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 ...
Hormonal regulation of spermatogenesis in the hypophysectomized rat：cell viability after hormonal replacement in adults after intermediate periods of hypophysectomy
Testis testosterone FSH
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2009/2/17
A quantitative analysis of germ-cell populations in normal, hypophysectomized (Hx), and Hx-hormone-treated animals was undertaken during periods of regression that were characterized as intermedia...
Hormonal regulation of spermatogenesis in the hypophysectomized rat：FSH maintenance of cellular viability during pubertal spermatogenesis
Testis testosterone hypohysectomy cellviability
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2009/2/17
The potential for follicle-stimulating hormone (FSH) to promote germ-cell survival and the cellular sites of FSH action were studied using a gonadally maturing (pubertal), hypophysectomized (Hx) rat...