نتایج جستجو برای: serum total testosterone
تعداد نتایج: 1076194 فیلتر نتایج به سال:
Background: The secretion of thyroxin (T4) as the main hormone of thyroid gland is regulated by androgens. The present study aimed to evaluate the effect of testosterone and finasteride administration and castration on serum levels of T4 and to show the effect of this regulation on total body weight, weight of testis, and the weight of prostate. Methods: Male adult rats (n = 32) were divided in...
BACKGROUND Level of the testosterone in a man's life span is very important. Studies on the serum testosterone concentrations in different age groups of healthy men were controversial. The aim of this study was to investigate dynamic changes of serum reproductive hormones with aging in healthy Chinese male and to compare its correlation with age. METHODS Total of 1,093 healthy Chinese men fro...
BACKGROUND The ferritin is an important participant of iron-storage but its regulation and related factors were not well defined. The present objective was to explore the potential association between serum ferritin levels and sex hormones. METHODS 1999 Chinese men in the Fangchenggang Area Male Health and Examination Survey (FAMHES) were recruited in this cross-sectional study. Levels of ser...
BACKGROUND Literature proves anti-mullerian hormone (AMH) and total testosterone (TT) as two important reproductive hormones in male development, however evidence regarding age variations of these hormones is lacking. AIMS To estimate the normal serum AMH values and to assess the age-specific TT levels in men aged 30-70, we conducted the present population-based study. METHODS A total of 83...
A correlation between serum levels of luteinizing hormone (LH), total testosterone (T), free T and sex-hormone binding globulin (SHBG) in normospermic and in oligospermic male people was done. This study was designed to measure serum levels of these hormones and of SHBG in people living at different altitude environments relative to sea level: at 209-408 meters below (the Jordan Valley, JV) and...
Background: Matricaria chamomilla (chamomile) is a herb used to treat various human illnesses. The present study was conducted to investigate the effects of chamomile extract on spermatozoon quality, serum levels of estradiol and testosterone, and sperm tail length in male adult rat. Methods: Male Sprague-Dawley rats received extract of chamomile (400 mg/kg once daily, orally) during an 8-week...
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