background: given the paucity of data on possible testis changes in opioid dependents, we sought to compare the testis volumes between a group of opium dependents and a group of healthy controls. objective: comparison of testis volume between opium dependents and healthy controls. materials and methods: this case-control study recruited 100 men with opium dependency (cases) and 100 healthy men ...

the use of quantum dots (qdots) as bright and photostable probes for long-term fluorescence imaging is gaining more interest. thus far, (pre)clinical use of qdots remains limited, which is primarily caused by the potential toxicity of qdots. most qdots consist of cd2+ ions, which are known to cause high levels of toxicity. therefore, the cytotoxic effects of cdse quantum dots on embryonic devel...

background: the study was performed to investigate the effects of morphine dependency and morphine withdrawal on the reproductive system of adult male rat(wistar).  methods: 32 adult male rat divided into 5 groups. animals in the control group (n=8) received normal saline (1ml/kg) twice daily subcutaneously for 30 consecutive days. animals in dependent group (n=8) received morphine (10mg/ml/kg)...

this study was performed to determine the incidence and anatomo-pathological aspects of the reproductive system tumors in commercial laying hens. post mortem examination of 1041 laying hens revealed neoplasms of the ovaries and the oviduct in 52 (4.99%) cases. from these, ovarian adenocarcinoma was found in 14 cases, granulosa cell tumor in 7 cases, theca cell tumor in 1 case and marek's diseas...

the inability to have a child is a baleful event for millions of couples in their life, and a large percentage of them have a personal frustration. the problem of infertility in couples is distributed equitably between the two sexes. among different methods, medicinal plants have been used in many nations to treat male infertility problems. these medicinal herbs are used to treat sperm disorder...

early life events influence life-long patterns of emotionality and stress responsiveness and alter the rate of brain and body aging.  much research attention has focused on the programming effects of the hypothalamus pituitary axis (hpa) in early life and on understanding hpa function in response to stressors in adulthood. in comparison, there has been relatively little research on adolescence,...

background: atrazine (atz) is a common herbicide in agriculture for control of grass and broad-leaved weeds. it persists in the environment and causes reproductive problems in both human and animals. the present study was aimed at protective effect of green tea against atz toxicity in the reproductive system of male rats. methods: the present study was performed in veterinary school, shahid bah...

background: one of the problems that addicts suffer from is decreased libido. erectile dysfunction has been reported in men using opioids for treatment of heroin addiction. objective: the study was performed to investigate the effects of morphine and detoxification with methadone as causes of sexual dysfunction in addiction. methods and methods: a total of 40 adult male rats (wistar) were used....

results the main pathological finding observed in the prostrate and seminal vesicle glands, using light microscope, revealed congestion in the connective tissue and vacuolization in the secretory units of epithelial cells and epithelium rupture at 50 and 100 µg/kg doses of bpa. ultrastructure study showed vacuolization of mitochondria, condensation of nuclei and disappearance of nucleus in the ...

objective(s): sugar cane molasses is a commonly used ingredient in several food products. contrasting reports suggest that molasses may have potential adverse or beneficial effects on human health. however, little evidence exists that examines the effects of molasses on the different physiological systems. this study investigated the effects of sugar cane molasses on various physiological syste...