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A novel organogermanium compound, Ge-132, carboxyethylgermanium sesquioxide, showed enhancement of 0.5 mg/kg morphine analgesia in both administration routes of oral administration (p.o.) and intraperitoneal injection (i.p.) in the Tail-Flick test, and the effect was completely abolished by 0.5 mg/kg Naloxone, stereospecific opiate antagonist. Ge-132 alone,(More)
Changed vascular functions have been reported in several pathological conditions, such as chronic regional pain syndrome, obstructive vascular disease, and inflammation. Our previous experiments also showed that electrical stimulation of the lumbar sympathetic trunk (sympathetic stimulation: SS), which normally induces a decrease in blood flow (BF), caused(More)
We first carried out microscopic observation of the intramural nerves of a bullfrog gallbladder which were fixed and stained with a solution of OsO4 and ZnI2. We then investigated if the responses of isolated frog gallbladder evoked by electrical stimulation are mediated through the intramural nerves. The following results were obtained: 1. The nerve plexus(More)
Phenthiazamine was developed by Sekizawa et al. as a centrally acting anesthetic for fish. Frog sympathetic ganglion was used as a model to elucidate the mechanism of its anesthetic action. The positive ganglionic potential was enhanced immediately after application; then, the potential and the late negative ganglionic potential were markedly reduced by an(More)
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