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: The aim of this study was to investigate the effects of hydroalcoholic extract of lepidium sativum(LS) on sperm parameters in adult rat. Materials and Methods: Male adult rats were divided into three groups: control group (n=5) received normal salin; group2: received 200 L.S extract; group3: received 400 LS extract. All groups were treated for 21 days. Evaluations were made by hysto...

Background Pyrethroids are commonly used as insecticides for both household and agricultural applications, and have recently been linked to endocrine disruption. Cypermethrin is a type П pyrethroid which is used widely throughout the world. The present study was aimed to investigate the effects of cypermethrin on the sexual behaviour and plasma level of pituitary-gonadal hormones of adult male ...

This study investigated possible sex-related differences in levels of antinociception and the rate of development of tolerance to the antinociceptive effects following prolonged (48 h) intravenous (i.v.) morphine administration in the rat. Groups of adult intact male, castrated male, female, and testosterone-pretreated female Sprague-Dawley rats received prolonged (48 h) infusions of i.v. morph...

Background: Polycystic ovary syndrome (PCOS) is one of the most frequent endocrine illnesses affecting reproductive - age women. L-carnitine has important roles in oxidative stress, energy production and glucose metabolism. It affects insulin resistance as decreased plasma carnitine level been well reported type II diabetes mellitus. Hence, it means may reduce which found PCO disease. Objective...

Increased longevity and population aging will increase the number of men with relative testosterone deficiency, as systemic levels of testosterone decrease by about 1% each year. Androgen deficiency should only be diagnosed in men with definite signs and symptoms, accompanied by low total testosterone levels measured in the morning by a reliable assay. Although clinical trials data are limited,...

conclusions no interactivity is present in modulatory effects of gabaa receptors and elf-emfs on serum testosterone of male rats. patients and methods fifty adult male rats were randomly assigned into 10 groups. groups 2, 4, 6, 8, and 10 were exposed to elf-emf for 30 days 8hrs per day; while, the remaining groups (1, 3, 5, 7, and 9) were sham exposed animals. at the end of the experiment, anim...

OBJECTIVE To evaluate hormonal changes and pelvic sonography in polycystic ovary syndrome (PCOS) patients, especially free testosterone and their correlations with skin manifestations of this disease. METHODS This prospective study was carried out in the Skin Clinic, Baghdad Teaching Hospital, Iraq in the period between April 2004-March 2005. We included 126 patients with PCOS in this study. ...