نتایج جستجو برای: hypothalamus
تعداد نتایج: 13987 فیلتر نتایج به سال:
objective: melanocortin-4 receptor (mc4r) and agouti-related peptide (agrp) are involved in energy homeostasis in the rat. the aim of the present study was to evaluate the expression of mc4r and agrp mrnas in arcuate nucleus (arc) during long term malnutrition of female ovariectomized rats. materials and methods: ten female ovariectomized rats were divided into two equal groups (n=6) of normal ...
the effects of chronic stress and glucocorticoids receptor antagonist (ru486) on expression of melanocortin 4 receptor (mc4r) mrna in arcuate nucleus (arc) of male rats were evaluated. in this study, adult male sprague dawley rats were placed into four groups (n=6/group) stress, ru486, stress/ru486, and control groups. in stress group, the rats were restrained, 1 h/day, for 12 days. in ru486 gr...
the variations of glucose 6-phosphate dehydrogenase (g6pd) activity in different brain regions of normal, hypo- and hyperthyroid rats were investigated. hypo- and hyperthyrodism were experimentaly induced by administration of methimazol and liothyronine, respectively. in normal rats, midbrain had the minimum (70 mu/mg) and cerebral cortex the maximum (349 mu/mg) g6pd activity. hyperthyrodism in...
Prefrontal cortices have been implicated in autonomic function, but their role in this activity is not well understood. Orbital and medial prefrontal cortices receive input from cortical and subcortical structures associated with emotions. Thus, the prefrontal cortex may be an essential link for autonomic responses driven by emotions. Classic studies have demonstrated the existence of projectio...
Somatosensory input to the hypothalamus has been thought to ascend via an indirect, multisynaptic pathway. However, we have antidromically identified nociceptive spinal cord neurons that project directly to the lateral hypothalamus in rats. Retrograde tracers injected into the lateral hypothalamus labeled many spinal neurons bilaterally within the marginal zone, the lateral reticulated area, th...
Introduction The transcription factor rx3 is important for the formation of pituitary and parts hypothalamus. Mutant animals lacking function have been well characterized in developmental studies, but relatively little known about their behavioral phenotypes. Methods We used cell type staining to reveal differences stress axis architecture, performed cortisol measurements behavior analysis stud...
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