background: cytotoxic therapy can lead to prolonged azoospermia or even sterility. in the present study, we investigated the morphological changes of mouse testes after gamma-radiation. methods: after anaesthetizing of nmri mice, testes and their surrounding tissues were irradiated using a cobalt therapy machine. four experimental groups were irradiated with fractionated doses of: 1.5+8, 1.5+12...

dental arch form is one of the most important characteristics of dentition. however, this dimension usually receives less attention in diagnosis or treatment planning and orthodontic patients are traditionally classified with regard to their sagittal characteristics. the objectives of this study were to investigate if a relationship exists between the dental arch width (transverse dimension) an...

acute lymphoblastic leukemia (all) is a malignant disorder of lymphoid precursor cells, which could be classified according to morphological and cytochemical methods as well as immunophenotyping. twenty patients with all, who had been referred to the children's medical center hospital, during the year 2007, were enrolled in this study in order to evaluate the morphologic and immunophenotypic pr...

the objective was to quantify and compare cow cervical morphology on oestrus vs. non-oestrus daysusing a new farm technology. the cervical tissues were videotaped using a cervixscope involving newcamera equipment in four holstein cows on multiple oestrus and non-oestrus days to score tissue morphology as altered by oestrus. the non-oestrous days were in diestrus phases. the videotaped records w...

polycaprolactone (pcl) and poly(butylene terephthalate) (pbt) blend was prepared by melt processing. the pcl/pbt blend showed similar morphology with that of pure pcl.the crystallization temperature of pcl was increased by the incorporation of pbt. it was also observed that the peak height in the dsc thermograms decreased and then disappeared by adding 40 % or more pbt which might be due to the...

the study reports some preliminary investigations on the template free synthesis of a scantly investigated polyaniline (pani) derivative-phenylenediamine (pda) by template free method in the presence of oxalic acid (oa) (dopant), using ammonium persulfate as oxidant. polymerization of phenylenediamine (pda) was confirmed by the ft-ir as well as uv–visible studies. the morphology of phenylenedia...

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this article presents an experimental investigation on effects of morphology of nanoparticles on the viscosity nanofluids (nfs). water and ethylene glycol were used as base fluids. a two step method was used for preparation of nfs. sio2 nanoparticles, cnt and graphene nano sheets were dispersed in the base fluids separately with the volume fraction ranging from 0.05% to 1.5%. stability of the n...

Aims: The morphology of the condyle varies according to the race of the population in different places. Moreover, the identification of morphologies can be effective in diagnosing the pathogenesis and type of treatment of patients. Therefore, in this study, the researchers examine condyl morphology images using digital panoramic imaging. Materials and methods: This descriptive-analytical stud...