background: in most mammals, sex is determined at the beginning of gestation by the constitution of the sex chromosomes, xy in males and xx in females. case: here we report an interesting case characterized by ambiguous genitalia and ovotestis in a newborn carrying an apparently female karyotype (46 xx). array comparative genomic hybridization (array-cgh) revealed an unbalanced rearrangement re...

introduction earth has ever been exposed to environmental hazards. the hazards are continually occurring in the world in the recent years. among them, atmospheric elements have created many human and financial losses in different regions. one of the hazards is dust events and in its severe case is dust storm. it happens more frequently in arid and semiarid regions in deserts and their surroundi...

background and purpose: decreased males’ motivation for entering universities has caused a low male/female ratio in different university majors. in 2005-2006 academic year, enrollment of female students in rafsanjan university of medical sciences reached 83.14%. this tremendous gender imbalance may lead to the development of a mono-sex system for health service providers and will.affect the soc...

in order to investigate of different salinity stress and plant densities effects on quantitative and qualitative forage and grain yields of kochia a randomized complete block design in factorial arrangement with three replications was used. a field study was conducted in 2011 cropping season in agriculture experiment satiation, college of agriculture, islamic azad university, arak branch treatm...

in this study, the densities, excess molar volumes and partial molar volumes of four binary systems containing n,n-dimethyl acetamide (dmac) with 1-alkanols (1-butanol up to 1-heptanol) are measured at 298.15 k. the results showed both constructive and expansive excess volumetric behavior for studying binary mixtures. deviation values of heavy alcohol have more positive and less negative excess...

heterocyclic systems are one of the most important classes of organic compounds present in nature or synthesized in laboratory. these compounds posses an array of biological activities and are employed in the treatment of commonly occurring diseases. keeping this in view, some new 2-amino-4,6-diarylpyrimidine from chalcones were synthesized. eight novel 2-amino-4,6-diarylpyrimidine derivatives ...

assesment of health related quality of life (hrql) is increasingly recognized as an important part of the patient care in asthma. we aimed to evaluate the effect of personality disorders (pds) on hrql and the severity of disease in asthmatic patients. ninety seven consecutive patients with asthma and ninety healthy controls were included. all  patients  completed  a  short  form-36  health  sur...

in this study, precipitated calcium carbonate (pcc) was modified using cationic starch, and its effect on optical and physical properties of paper was examined in comparison with unmodified filler afterwards. to determine the filler retention in paper, both modified and unmodified fillers were added to pulp suspensions by 20, 30, and 40 percentages. for comparing the utilization effect of modif...

background: vitamin d has a wide range of physiological functions in skeletal and nonskeletal tissues which may play a role in many diseases. the aim of this study was to evaluate the recent evidence regarding the effects of vitamin d on several health outcomes in women including breast cancer, ovarian and endometrial cancers, hypertension, and  osteoporosis. materials and methods: we searched ...