the laboratory mouse is recognized as the pre-eminent model for genetic research. awareness of chromosomal patterns of experimental animals increases their value for a variety of different fields of study. we aimed to study mitotic chromosome preparations from nih, c57bl/6 and razi strains of mice, which are outbred, inbred and partially inbred laboratory mice respectively. bone marrow cells we...

objective:  the aim of this study was to assess clinical laboratory funding for differential diagnosis of sickle cell disease (scd) and other associated disorders for better understanding of clinical types and prevention of sickling events. material and methods:  this is a descriptive crossed-sectional study that analyzed the peripheral blood film, sickle cell preparation, hemoglobin electroph...

in rabbits, especially in some races, limb movement disorder called splay legs, are mostly unilateral or bilateral in front or hind legs at an early age. the severity ranges from mild to severe in this case. in breeding colony of albino dutch laboratory rabbits, the splay leg disorder has been observed over the years permanently.within the scope of this research, 1.5-2.5% of 700-750 number of c...

background: research project risks are uncertain contingent events or situations that, if transpire, will have positive or negative effects on objectives of a project. the management of health and safety at work (mhsw) regulations 1999 require all employers and the self-employed persons to assess the risks from their work on anyone who may be affected by their activities. risk assessment is the...

abstract background and aim: increased rate of micronucleus in buccal mucosa cells and its correlation with carcinogenesis is worth consideration. recently, occupation in dental laboratories has been proposed as a predisposing factor. therefore, the present study aimed to evaluate the effect of occupational exposure on buccal mucosa cells of dental laboratory technicians. materials and methods:...

background: the routine use of preoperative appropriate paraclinic testing is useful in patients scheduled to undergo elective surgery. the purpose of this study was to assess the prevalence of unnecessary preoperative evaluation performed for patients undergoing elective surgeries.methods: this descriptive analytic study was performed to assess the patterns of preoperative evaluation tests on ...