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Atrial natriuretic peptide (ANP) influences the activity of rat hypothalamic neurons, modifies the membrane excitability of the rat forebrain neurons, and induces changes in membrane potentials in cultured rat glioma cells. In order to explore whether these effects are reflected in the electrical activity of larger subcortical brain areas, we investigated(More)
Methionine sulfoximine (MSO) is a centrally acting neurotoxin which inhibits the glutamate metabolism enzymes and has convulsive properties. Administration of a small dose of MSO to rabbits, either intravenously or intracerebroventricularly, except for the already known convulsive effects, may also be responsible for hind leg myopathy (rigid paralysis with(More)
The acute effect of 30-min swimming at a moderate speed, at three water temperatures (20, 26 and 32 degrees C) on plasma thyroid stimulating hormone (TSH), free thyroxine (F.T4), triiodothyronine (T3) and cortisol concentrations was studied in 15 élite male swimmers. Blood was sampled before and immediately after the events. The heart rate, which was(More)
In order to investigate the effects of centrally administered Atrial Natriuretic Peptide (ANP) on plasma ADH and corticosterone levels as well as on blood pressure and on heart rate, 20 male New Zealand White (NZW) rabbits were used. Measurements were made on restrained conscious animals one week after the implantation of an indwelling(More)
Methionine sulphoximine (MSO) is a centrally acting neurotoxin which inhibits the glutamate metabolism enzymes and has convulsive properties. Small doses of MSO were administered to rabbits, either intravenously (i.v.) or intracerebroventricularly (ICV), and electron microscopic examination of the cerebellum, the spinal cord and the sciatic nerve was(More)
In order to investigate the effects of centrally administered ANP on plasma ADH, aldosterone and corticosterone levels as well as on blood pressure and on heart rate, 20 male New Zealand White (NZW) rabbits were used. Measurements were made on restrained conscious animals one week after the implantation of an indwelling intracerebroventricular (icv) cannula(More)
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