نتایج جستجو برای: arcuate structure
تعداد نتایج: 1569454 فیلتر نتایج به سال:
The compression of the proximal part of the celiac trunk by median arcuate ligament of the diaphragm during expiration is defined as median arcuate ligament syndrome. It is a rare cause of chronic mesenteric ischemia. We report two cases with this syndrome, primarily diagnosed by Doppler ultrasound. The diagnosis was confirmed with digital substraction and computed tomography angiography in bot...
A number of anti-obesity agents have been developed that enhance hypothalamic 5-HT transmission. Various studies have demonstrated that arcuate neurons, which express proopiomelanocortin peptides (POMC neurons), and neuropeptide Y with agouti-related protein (NPY/AgRP) neurons, are components of the hypothalamic circuits responsible for energy homeostasis. An additional arcuate neuron populatio...
background: in this study, we aimed to investigate the ability of transvaginal doppler ultrasonography in predicting in vitro fertilization (ivf) outcome in women undergoing this procedure. materials and methods: in this prospective observational study, 65 infertile women underwent ivf procedure in isfahan, during 2013-2014, were studied. the pulsatility index (pi), resistive index (ri) and pea...
AIM To compare the expressions of prepropiomelanocortin (POMC) mRNA and preprodynorphin (PPD) mRNA between 16-wk-old spontaneously hypertensive rats (SHR) and age-matched normotensive Wistar-Kyoto rats (WKY). METHODS The expression of POMC mRNA and PPD mRNA were detected with nonradioactive in situ hybridization by digoxigenin-labeled RNA probe. RESULTS POMC mRNA mainly was expressed in arc...
OBJECTIVE To describe the absence of the arcuate fasciculi in 2 cases of congenital bilateral perisylvian syndrome (CBPS). DESIGN Case series. SETTING Pediatric referral hospital-based study. PATIENTS Two patients with CBPS, referred to our institution as candidates for surgical treatment of epilepsy. Intervention Diffusion tensor imaging (1.5-T scanner; 15 encoding directions; b = 800 s/...
BACKGROUND There is growing evidence that schizophrenia is a disorder of cortical connectivity. Specifically, frontotemporal and frontoparietal connections are thought to be functionally impaired. Diffusion tensor magnetic resonance imaging (DT-MRI) is a technique that has the potential to demonstrate structural disconnectivity in schizophrenia. AIMS To investigate the structural integrity of...
PURPOSE The purpose of this study was to compare the deterministic and probabilistic tracking methods of diffusion tensor white matter fiber tractography in patients with brain tumors. MATERIALS AND METHODS We identified 29 patients with left brain tumors <2 cm from the arcuate fasciculus who underwent pre-operative language fMRI and DTI. The arcuate fasciculus was reconstructed using a deter...
OBJECTIVE Adiponectin receptors (AdipoRs) are located on neurons of the hypothalamus involved in metabolic regulation - including arcuate proopiomelanocortin (Pomc) and Neuropeptide Y/Agouti-related peptide (NPY/AgRP) neurons. AdipoRs play a critical role in regulating glucose and fatty acid metabolism by initiating several signaling cascades overlapping with Leptin receptors (LepRs). However, ...
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