نتایج جستجو برای: swim stress
تعداد نتایج: 443058 فیلتر نتایج به سال:
Turtles with a complete transection of the spinal cord just posterior to the forelimb enlargement at the D2-D3 segmental border produced coordinated rhythmic hindlimb movements. Ipsilateral stimulation of cutaneous afferents in the midbody shell bridge evoked a rostral scratch. Electrical stimulation of the contralateral dorsolateral funiculus (DLF) at the anterior cut face of the D3 segment ac...
This study quantified and compared hypoxia tolerance and swim performance among cyprinid fish species from rapid-, slow- and intermediate-flow habitats (four species per habitat) in China. In addition, we explored the effects of short-term acclimation on swim performance, maximum metabolic rate (M(O2,max)) and gill remodelling to detect habitat-associated patterns of plastic response to hypoxia...
یکی از علت های شکست و عدم موفقیت در تکنیک های کمک باروری(art) قطعه قطعه شدن dna اسپرم انسانی است، که ممکن است با انکوباسیون طولانی مدت اسپرم در دمای 37 درجه سانتی گراد به وجود آید. لذا در این مطالعه میزان قطعه قطعه شدن و آپوپتوز dna اسپرم انسانی بعد از آماده سازی به روش direct swim-up در زمان های مختلف انکوباسیون به وسیله تست scd و تکنیک tunel مورد ارزیابی قرار گرفت. در این مطالعه آینده نگر، ب...
Cryptosporidium is a chlorine-resistant protozoan parasite responsible for the majority of waterborne disease outbreaks in recreational water venues in the USA. Swim diapers are commonly used by diaper-aged children participating in aquatic activities. This research was intended to evaluate disposable swim diapers for retaining 5-μm diameter polystyrene microspheres, which were used as non-infe...
We studied the influence of physical activity stress on the circadian rhythms of melatonin and corticosterone in 3-month old male Wistar rats. Every two hours for 24 h around the clock, an animal from the stressed group was first made to swim for two hours, and was then subjected to a further ten minutes of forced swimming using a modification of the apparatus employed in the Porsolt test. The ...
Glutamatergic dysfunction is strongly implicated in schizophrenia and mood disorders. GluA1 knockout (KO) mice display schizophrenia- and depression-related abnormalities. Here, we asked whether GluA1 KO show mania-related abnormalities. KO were tested for behavior in approach/avoid conflict tests, responses to repeated forced swim exposure, and locomotor responses under stress and after psycho...
Many psychological disorders comprise a seasonal component. For instance, seasonal affective disorder (SAD) is characterized by depression during autumn and winter. Because hippocampal atrophy may underlie the symptoms of depression and depressive-like behaviors, one goal of this study was to determine whether short days also induce structural changes in the hippocampus using photoperiod respon...
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