Nowadays viral hepatitis is one of the most common and important causes of chronic liver disorders in the world. Extrahepatic manifestations of viral hepatitis consist a main part of the disease. The main viruses causing hepatitis include Hepatitis A, B and C viruses. Herein common skin manifestations in hepatitis C virus (HCV) are discussed. Chronic hepatitis causes skin disorders both directl...

background: sulfur mustard (sm) has been considered as a carcinogen in the laboratory studies. however, its carcinogenic effects on human beings were not well discussed. the main purpose of our study is to assess carcinogenesis of sm following acute and/or chronic exposures in human beings. methods: the valid scientific english and persian databases including pubmed, web of science, scopus, ira...

The recent literatures indicate that central nervous system (CNS) is highly vulnerable to systemic hyperthermia induced by whole body heating on conscious animals. In the present study, cerebral electrical activity or EEG (electroencephalogram) following exposure to high environmental heat has been studied in moving rats. Rats were divided into three group (i) acute heat stress-subjected to a s...

background and objective: recent studies have shown that anticholinergic alkaloids compounds have strong analgesic effects. due to presence of anticholinergic alkaloids in hyoscyamus niger and its mentioned effects in iranian traditional medicine, its analgesic effects were assessed. at first, acute and chronic pain thresholds in male nmri rats with formalin test was evaluated, then oral and in...

Background: The most common sexually transmitted diseases and the economic and social health problem throughout the world. However, vaccine coverage and antibiotic therapy and the development of programs to prevent and control major causes of acute and chronic diseases, pregnancy complications and infertility remains. Acute and chronic systemic viral infections can lead to infertility and perma...

congenital and acquired abnormalities of the reproductive tract of female sheep resulting in subfertility,infertility or sterility cannot easily be detected by routine clinical examination. morphopathologicalabnormalities of the reproductive tract of ewes were studied by examining a total of 739 genital tracts inabattoirs of fars province, iran. from these, the 648 non-pregnant genitalia were e...

Introduction: In the recent years, the use of several drugs such as cocaine and morphine has reduced, but the use of "club drugs" has increased in many countries. 3, 4-methylenedioxymethamphetamine (MDMA) which has known as ‘ecstasy’ among people has many harmful effects on serotonergic system in the brain. This system is responsible for learning and memory. In this study, we tested sub-acute a...

q fever is a worldwide zoonosis with many acute and chronic manifestations caused by the pathogen coxiella burnetii . farm animals and pets are the main reservoirs of infection, and transmission to human beings is mainly accomplished through inhalation of contaminated aerosols. persons at greatest risk are those in contact with farm animals and include farmers, abattoir workers, and veterinaria...