نتایج جستجو برای: orexinergic system
تعداد نتایج: 2231166 فیلتر نتایج به سال:
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
location verification system
objective: it is well known that intracerebroventricular (icv) and supraspinal injections of orexin-a elicit analgesia, but the mechanism(s) of action remains unidentified. this study aims to characterize the effect of orexin-a on rostral ventromedial medulla (rvm) neurons which are involved in the descending nociception modulating pathway. materials and methods: in this experimental study, we ...
Objective: Migraine is the most common primary headache disorder in children. However, its pathogenetic mechanisms are not fully understood. Researchers focused on Orexin A (a neuropeptide with anti-nociceptive effects) and B pro-nociceptive effects), but literature scarce terms of studies investigating plasma levels these neuropeptides pediatric migraine patients. We aimed to compare orexins b...
Orexin A (OxA), a recently discovered neuropeptide, is synthesized mainly by neurons located in the posterolateral hypothalamus and is a 33 amino acid peptide with N-terminal pyroglutamyl residue and two inter-chain disulfide bonds. It is a potent agonist for both the orexin-1 (OxR1) and orexin-2 (OxR2) receptors. Orexin A and its receptors are widely distributed in the central nervous system (...
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