background: methamphetamine (ma) is one of most common illicit drugs which were reported that nearly half of ma consumers are women. ma can cross through placenta and affects pregnancy and fetus development. objective: our aim was to evaluate effects of injected ma on crown-rump length, head and placental circumference, body weight, histological changes and apoptosis in fetus. materials and met...

Introduction: It has been suggested that oxidative stress has a crucial role in the pathophysiology of preeclampsia. In the present study, the effect of tempol, a synthetic antioxidant, on kidney injuries and oxidative stress was investigated in an experimental model of preeclampsia in rats. Methods: Preeclampsia was induced by oral administration of L-NAME to the rats on the day 10 of pregnanc...

The aim of this study was evaluation an organic germicide (Aquagerm) histological affects on Rainbow trout (Oncorhynchus mykiss) vital tissues. This new disinfectant is an aquatic antiseptic and mixed-oxidant disinfectant which is produced for the first time in Iran. This new product mechanism is based on oxidant properties of pro-sulphate which attack crucial structures of pathogens. In this s...

Prenatal exposure to marijuana has been associated with a variety of brain deficits, as Δ9-tetrahydrocannabinol (THC), its main active ingredient crosses the placenta and affects foetal brain development. Despite this effect, marijuana remains a commonly abused substance among pregnant women. In the current study, we examined the histological and biochemical changes in the superior colliculus (...

background: esophageal cancer is the sixth cause of death in the world, there was a lack of population‑based information on the trend and incidence rate of esophagus cancer, so this study aimed to determine the incidence and pathological changes of esophagus cancer in iran. methods: in this study, data were extracted from annual cancer registry reports of iranian ministry of health between 2003...