منابع مشابه
Hormonal regulation of spermatogenesis pdf
4 Androgens.hormonal regulation of spermatogenesis, with an emphasis on the role of testosterone within the. Hormonal messengers are critical not only for regulation of.Spermatogenesis. Cell types involved in sperm production. How they interact to support spermatogenesis. Hormonal regulation of spermatogenesis.ISBN 951-29-2337-8 Print, ł Īī-Ī PDF. The expression and hormonal regulation of beta-...
متن کاملHormonal regulation of spermatogenesis in primates and man: insights for development of the male hormonal contraceptive.
A better understanding of the hormonal regulation of spermatogenesis may provide new avenues for management of human infertility, and development of safe and reversible contraceptives. Although much basic work must be conducted in lower mammals, primarily rodents, concepts must, at some stage, be tested for their relevance to humans. In this review, we will draw together existing data in humans...
متن کاملHormonal regulation of spermatogenesis in the hypophysectomized rat: cell viability after hormonal replacement in adults after intermediate periods of hypophysectomy.
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 intermediate, between short-term and long-term regression of the testis. Twenty-one groups of adult rats were administered either follicle-stimulating hormone (FSH), growth hormone, thyroid-stimulating hormone (...
متن کاملIdentification of specific sites of hormonal regulation in spermatogenesis in rats, monkeys, and man.
A detailed understanding of the hormonal regulation of spermatogenesis is required for the informed assessment and management of male fertility and, conversely, for the development of safe and reversible male hormonal contraception. An approach to the study of these issues is outlined based on the use of well-defined in vivo models of gonadotropin/androgen deprivation and replacement, the quant...
متن کاملPredictors for partial suppression of spermatogenesis of hormonal male contraception.
AIM To analyze factors influencing the efficacy of hormonal suppression of spermatogenesis for male contraception. METHODS A nested case-control study was conducted, involving 43 subjects, who did not achieve azoospermia or severe oligozoospermia when given monthly injections of 500 mg testosterone undecanoate (TU), defined as partial suppressors compared with 855 subjects who had suppressed ...
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ژورنال
عنوان ژورنال: International Journal of Andrology
سال: 2004
ISSN: 0105-6263,1365-2605
DOI: 10.1111/j.1365-2605.2004.00502.x