نتایج جستجو برای: equine chorionic gonadotrophin
تعداد نتایج: 22734 فیلتر نتایج به سال:
Gonadotrophin-releasing hormone agonist (GnRHa)-induced ovulation after gonadotrophin ovarian stimulation is used to prevent ovarian hyperstimulation syndrome and multiple pregnancy in polyfollicular cycles. However, one of the major problems to be resolved is corpus luteum function after follicular maturation and ovulation by mid-cycle GnRHa administration. The present report investigated the ...
The aim of this study was to investigate the relationship between beta-endorphin and nitric oxide (NO) during the ovulatory process in rats. Immature rats were treated with equine chorionic gonadotrophin-hCG to induce ovulation. An intrabursal injection of beta-endorphin stimulated nitric oxide synthase (NOS) activity. This effect was completely reversed when naltrexone was co-injected with bet...
A case-control study was carried out on mothers of boys with undescended testis to investigate the hypotheses that raised maternal levels of oestrogen or reduced levels of human chorionic gonadotrophin in early pregnancy might be factors in the environment of the fetus associated with this condition. No significant difference in the levels of either of these hormones was found, though, if anyth...
It is the object of this paper to present an endocrin-i analysis of five permanently transplantable human testicular tumors maintained in the cheek pouches of cortisone-treated hamsters. Two of the tumors produce chorionic gonadotrophin and rep resent the first reported human neoplasms to be functional in heterologous hosts. The growth characteristics of three of these tumors have been reported...
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