نتایج جستجو برای: Rat
تعداد نتایج: 275489 فیلتر نتایج به سال:
چکیده برای ایجاد مولتیپل اسکلروز (ms) عموما مدل هایی نظیر مدل آلرژی آنسفالومیلیتی تجربی (eae) استفاده می شود. اما از اشکالات عمده این مدل ها، بروز حالات التهابی عمومی و بعلاوه پر هزینه بودن آن ها است. در این تحقیق، برای اولین بار از تزریق مستقیم ال-آرژینین به عنوان پیش ساز نیتریک اکساید (no) داخل corpus callosum (جسم پینه ای) مغز موش ویستار ماده بهره گرفته شد تا ضمن ایجاد یک مدل مناسب حیوانی m...
Background: COVID-19 has so far affected millions of people in India. The present study was undertaken to find out the performance and reliability rapid antigen test (RAT) compared reverse transcription polymerase chain reaction (RT-PCR).Methods: pre existing medical conditions clinical signs symptoms were noted. nasopharyngeal swab samples taken for RAT, while both oropharyngeal mixed a steril...
: بیماری پارکینسون دومین بیماری تحلیل نورونی پس از آلزایمر به شمار می رود، که در آن یاخته های جسم سیاه واقع در مغز میانی به تدریج از بین می روند و دوپامین که توسط آنها ساخته می شود کاهش می یابد. این بیماری به وسیله علائم حرکتی چهارگانه اکنیزی ، برادی کینزی، ریجیدیتی و کاهش رفلکسهای وضعیتی و لرزش در حالت استراحت مشخص می شود. اختلال در هوشیاری و حافظه نیز از علایم دیگر بیماری پارکینسون می باشد. ت...
چکیده ندارد.
introduction: in this study, we investigated the role of n-methyl-d-aspartate (nmda) receptors in the ventral hippocampus (vh) and their possible interactions with gabaa system on anxiety-like behaviors. methods: we used an elevated-plus maze test (epm) to assess anxiety-like behaviors and locomotor activity in male wistar rats. results: the results showed that intra-vh infusions of different d...
The Texas kangaroo rat (Dipodomys elator) is a rare species of conservation interest at both the state and federal level. Therefore, an updated understanding distribution abundance D. elator critical for initiating informed decisions about its status subsequent management strategies. We surveyed more than 850 locations along unpaved county roads across historical range this in north-central to ...
Impulsivity, a tendency toward immediate action without consideration of future consequences, is associated with a wide array of problematic behaviors. Response impulsivity, a type of behaviorally-assessed impulsivity characterized by behavioral disinhibition, is also associated with health risk behaviors. Response impulsivity is distinct from choice impulsivity, which is characterized by intol...
background salep is used for various purposes in food industries and traditional medicine. therefore, evaluation of its effect on the liver seems to be necessary. objectives the aim of this study was to assess salep effect on liver. materials and methods in this experimental study, various concentrations of salep were intraperitoneally administered to five groups of wistar rats (control, placeb...
objective(s): the aim of this study was to evaluate the effect of subacute administration of propylthiouracil (ptu) on gentamicin (gm)-induced nephrotoxicity in male rats. materials and methods: male wistar rats were divided into 4 experimental groups as follow: (1) control group: isotonic saline (1 ml/kg, ip. for 18 d), (2) gm group: 100 mg/kg, ip for 8 d, (3) ptu group: ptu (10 mg/kg, ip fo...
objective(s) the aims of present study were to elucidate the effect of nahs as a h2s donor on precontracted rat trachea smooth muscle, role of epithelium and nitric oxide in this action. materials and methods tracheal rings from male adult wistar rats were isolated and mounted in an organ bath containing krebs–henseleit solution under 1.5 g resting tension and contractions were recorded isometr...
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