نتایج جستجو برای: internal and external parasites
تعداد نتایج: 16877518 فیلتر نتایج به سال:
Birds may harbor a great variety and numher of ectoparasites. Among the insects are biting lice (Mallophaga), fleas (Siphonaptera), and such Diptera as hippohoscid flies (Hippohoscidae) and the very transitory mosquitoes (Culicidae) and black flies (Simuliidae), which are rarely if every caught on animals since they fly off as soon as they have completed their blood-meal. One may also find, in ...
AB S TRACT The effects of external anions on gating of Na channels of frog skeletal muscle were studied under voltage clamp. Anions reversibly shift the voltage dependence of peak sodium permeability and of steady state sodium inactivation towards more negative potentials in the sequence : methanesulfonate < Cl5 acetate < Br5N03 < S04 < benzenesulfonate < SCN< C104-; approximately the lyotropic...
Introduction: around the world, the science system of many countries is being transformed and changed in response to increasing social and economic need for knowledge and technology. The theory of the entrepreneurial university is one of the models proposed for reflecting the new and transformed image of the university characterized by a broader interaction between the universities and the comm...
The parasite fauna in cetaceans from Puerto Rico, the Virgin Islands, and the larger Caribbean region is poorly known. We provide the first records for parasite biodiversity among a diverse assemblage of cetaceans from the Caribbean Sea. Internal and external parasites and commensals were collected from stranded whales and dolphins salvaged in Puerto Rico, the United States and British Virgin I...
in this paper, a schwarz-christoffel method for generating two-dimensional grids for a variety of complex internal and external flow configurations based on the numerical integration procedure of the schwarz-christoffel transformation has been developed by using mathematica, which is a general purpose symbolic-numerical-graphical mathematics software. this method is highly accurate (fifth order...
Background and Objective: Recognizing effective factors influencing crime among adolescents and young people is very important in terms of the impact of religious orientation and emerging social networks. The aim of the present research was to compare the internal-external religious orientation and membership in social networks among young people with history of criminality and normal i...
Ornamental fish keeping is developing in Iran. Most of these fishes are not native and importing. External parasite is one of the most important difficulties in aquarium fishes. The aim of this study is determination of parasite pollution in skin and gills of imported platy fish. One hundred and fifty out of 220 platy fish was polluted. Parasites identification was done by wet mount, Stainin...
Background: Carangids, like any other fish, can become infected with a variety of external and internal parasites. Little information on parasite infestations in these fish species is known. This study aimed to provide light parasites that infect caragnids Saudi Arabia. Methods: A total 20 Carangoides caeruleopinnatus specimens were collected from the Red Sea (Saudi Arabia) then examined for pr...
Introduction: Educating efficient doctors has always been a concern for medical schools. Therefore, it is necessary to study the educational programs and do revision and quality improvements accordingly. This study was performed to evaluate the internal efficiency and external effectiveness of the general medicine curriculum in Shahid Sadughi University of medical sciences. Methods: This study...
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