in this study, three different age groups of male broodstocks (4, 5 and 6 years respectively) were used to fertilize eggs obtained from nine females. the results showed that 6 year old males had maximum body weight (1766 g), total length (56.3 cm) and sperm volume (31.83 ml). results did not show significant difference in spermatocrit and spermatozoa concentration among age groups (p>0.05). our...

objective(s):  there is a rising use of gold nanoparticles (aunps) in goods and in the medical fields but there is concern about the toxicity of them. so in this study spherical aunps with 3 different concentrations were applied for investigating their effects in vivo.   materials and methods:  40 male albino mice were randomly divided into sham, control, 25 ppm, 50 ppm, 100 ppm groups and were...

conclusions regarding men’s influences on professional development, and also the importance of gender-based caring, policies for recruitment and retention of men in nursing must be followed hastily. however, there is a need for further research regarding the challenges faced by men entering nursing, in both iran and other developing countries. results most of the studies were conducted in devel...

background: diminished libido and sexual dysfunction are unusually common among male epileptic patients. the most important etiologic factor may be antiepileptic drugs (aeds)-induced androgen deficiency. we compared reproductive hormone levels among men with epilepsy taking various aeds and normal controls. methods: subjects were 59 male epileptic patients who aged 24 ± 5 years. they had been r...

introduction: in the present study, the effects of light cure on wound healing of mice’s skin with complete thickness were studied. materials and methods: forty male mice of nmri race were placed randomly into two groups of examination and control. under aseptic and unconscious conditions, a circular wound of 6 mm width with complete thickness of skin was made on the back of each mice. the surg...

to investigate the association of sub-fertility/ infertility with increased bmi in overweight and obese men and in control group in karnataka, south india. in this pilot study 20 overweight and obese men, aged 25-45, and 10 normal-weighed men with proven fertility were included. both groups were married. all cases and controls were evaluated for different semen parameters according to world hea...

background: about 90% of the world�s contraceptive users are women. this gender-based usage has occurred due to the emphasis of family planning programs and contraception research. condom, vasectomy and withdrawal are the only male contraception devices available with less assurance for men. for new male contraceptive to have an impact, they must be acceptable to both men and women, as well as ...