background: there are numerous investigations on wide range of issues that disrupt regulatory spermatogenesis, individuals who are exposed to drug abuse faced infertility and immature spermatogenesis. objective: the aim of this study was to evaluate the addiction effects of morphine and its derivatives on rats spermatogenesis. materials and methods: 40 male wistar rats were randomly divided int...

background persian oak (quercus brantii) belongs to the fagaceae family. it is a medicinal plant which is commonly used by the tribes in south western iran to treat inflammatory and gastric ulcers. objectives the aim of this study was to evaluate the effectiveness of persian oak ointment on dermal wound healing in rats. materials and methods for making full-thickness wounds in rats, the excisio...

background lead poisoning impairs memory and learning. objectives the protective effect of natural zeolite clinoptilolite on memory and learning impairment in rats exposed to lead acetate was investigated. materials and methods 60 male wistar rats in six groups treated for 2 months with diets contained different ratios of natural zeolite(i.e. 5% or 12.5%), and %0.2 lead acetate (la) concentrati...

parasitic infections of rodents can compromise scientific research as well as the health of the animals and humans. based on previous studies, infection rate of parasitic helminths is different in various regions of iran. the current survey was aimed to determine endoparasitic helminths infection in 138 trapped rodents of kermanshah county, iran. mice and rats were trapped using metal snares fr...

background bioflavonoids are well known for their multi directional biologic activity including antidiabetic effect. it has been demonstrated that flavonoids can act as insulin secretagogue or insulin mimetic agents. objectives this experimental study was designed in arak university of medical sciences, arak, iran, to investigate the effects of biochanin a (a bioflavonoid) on fasting blood gluc...

background controlling parenchymal hemorrhage especially in liver parenchyma, despite the progress in surgical science, is still one of the challenges that surgeons face when trying to save patients’ lives. researchers in the field are challenging to introduce a more effective method. objectives the current study aimed to determine the haemostatic effect of alum [kal (so4)2] and compare it with...

objective: crocinisa saffron constituent with a potent anti-oxidant activity. the present study investigated the effects of crocin and insulin treatments (alone or in combination) on cardiac function and pathology in diabetic rats. materials and methods: diabetes was induced by intraperitoneal (i.p.) injection of streptozotocin (stz, 50 mg/kg). thereafter, crocin (5, 10 and 20 mg/kg, i.p.), sub...

thyroid gland dysfunction is associated with disorders of female reproductive functions. the aim of this study was to examine the effects of hyperthyroidism on ovulation rate and peripheral sex steroid levels in prepubertal and adult rats. two groups of female rats aging 30 days (prepubertal rats) and 60 days (adult rats) were made hyperthyroid by oral administration of levothyroxine daily. in ...

background and objective: the fallopian tube plays an essential role in tubal transportof both gametes and embryos and successful pregnancy. we assessed the histomorphological effect of smoking on the fallopian tubes in rats, in this study. patients and methods: twelve female rats were divided to two groups as subjects (n=7) and controls (n=5). they have been exposed to smoke four times daily f...

background royal jelly (rj), a food item secreted by worker honeybees, is a mixture that contains protein, glucose, lipid, vitamins, and minerals; it is widely used as a commercial medical product. previous studies have shown that rj has a number of physiological effects, such as anti-inflammatory, antitumor, antiallergic and antioxidant activities. objectives in the present study, the anti-inf...