increased level of stress has negative effects on cognitive functions. thus, it is necessary to identify appropriate strategies to prevent cognitive and motor performance decline. the aim of this research was to study the effect of immobilization stress on learning and memory and the protective role of physical activity in them. from male albino-wistar rats of pastor institute, 32 rats were ran...

the purpose of this study was to evaluate the effect of dietary zinc levels during gestation on physical development of offspring. the statistical population consisted of adult male and female rats (albino-wistar) which were obtained from pasteur institute, iran. after mating, 9 pregnant female rats were divided into 3 groups: 1) zinc deficient group (0.05

laboratory animals, including rats, play an important role in biomedical research and advances. the human care and management of these animals is an ongoing concern. since, trichosomoides infections in rat colonies can interfere with research protocols it is important to know rate of infection and pathology of the infection in the animals used in experimental studies. 275 rats were eviscerated ...

background: ritalin (methylphenidate methylphenidate) is an amphetamine used to treat adhd, symptoms of narcolepsy, and some people with depression. this study was to investigate the effect of ritalin food on blood albumin and some liver enzymes. materials and methods: in this study, 40 male wistar rats were randomized into 4 groups (1 control group, and three experimental groups). in the contr...

background and objectives: previous studies have shown the antinociceptive effect of morphine in animal models, but the specific anti-pain consequence of the abuse drug in female animals is unclear. the present research showed the morphine antinociception in female wistar rats using formalin test. materials and methods: subjects were 40 female wistar rats purchased from pasteur institute of ira...

objective: hypercholesterolemia is the greatest risk factor for cardiovascular diseases. the present study is conducted to evaluate the lipid lowering activity of leaves and fruits of solanum macrocarpon, a vegetable, on wistar rats experimentally rendered hypercholesterolemic by triton x-100. materials and methods: the leaves and fruits were administered (p.o.) for 7 days to rats at doses of 4...

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 ...

background: tramadol narcotic drugs or epoxied artificial categories is weaker than morphine and stronger than ibuprofen and acetaminophen drug. the aim of this study was to investigate the effect of oral tramadol on some liver enzymes in the rat. materials and methods: in this study, 60 male wistar rats were randomized into three groups (one control group, and experimental groups of 1, and 2)....