L Finkiewicz-murawiejska

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The catecholamine content in rat brain tissue was determined following the administration of quinolinic acid alone or combined either with L-dopa and decarboxylase inhibitor or reserpine. Quinolinic acid alone decreased the levels of dopamine and noradrenaline, as well as those of c-AMP, and increased those of adrenaline. Treatment with L-dopa/decarboxylase(More)
When rat heart preparations were perfused with quinolinic acid at a slow constant rate, a decrease in contractility was observed. A higher rate of perfusion resulted in a biphasic response, thus both a positive inotropic effect and then a decrease in heart contractility were visible. Using a polarographic method, the association constant of quinolinic acid(More)
Some disorders of the brain stem and spinal cord microcirculation were observed in male adult guinea pigs exposed to vertical vibration of frequency 40 Hz and amplitude 1 mm for 3 hours daily during 7, 14, 30 days. These changes after 7 days of vibration were seen as congestion with single small haemorrhages and after 14 days as diffuse spongiosis of the(More)