Chronic morphine exposure can induce addiction and affect synaptic plasticity, but the underlying neuronal mechanisms remain unknown. Two forms of short-term synaptic depression (paired-pulse depression (PPD) and frequency depression) were investigated in vivo in the geniculo-cortical visual pathway of morphine-treated and saline-treated (as control) adult rats. Acute exposure to morphine had n...

objectives: to evaluate the short-term outcome of open appendectomy, the rate of negative appendectomy as well as pathology reports after surgery in patients with suspected acute appendicitis. methods: this was a retrospective cross-sectional study being performed in nemazee hospital affiliated with shiraz university of medical science during a 2-year period between 2008 and 2010. the medical r...

in this study, combined effect of two essential oils, thymol and carvacrol, with different concentrations in two methods on gladiolous grandiflorous l. was investigated based on a completely randomized design with 3 replicates and four flower in each replicate. sansusi variety applied that was red. in short term method, different concentrations of thymol and carvacrolin including 25+25, 50+50 a...