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In spontaneously breathing, chloralose narcotized and bilaterally vagotomized cats under mannite saline diuresis, the isolated carotid sinus were perfused for 1 hr with arterial and then for 1 hr with venous blood, and subsequently again with arterial blood for 1 hr. Either measure d or calculated were the parameters of arterial acid-base status, the arterial systemic bl-od pressure, the p-aminohippuric acid (PAH), inulin (IN), and osmolar clearance, the filtration fraction, the tubular reabsorption of oxmotically free water, the urinary time volume, and fractional excretions of the kidneys. Stimulation of the carotic chemoreceptors increased respiration, slightly enhanced the CPAH, and caused a minor fall of CIN with little altered filtration fraction. The renal resistance increased. The absolute and fractional excretions of urine, sodium, potassium, and of osmotically active particles rose significantly. Tubular reabsorption of osmotically free water showed a singificant increase. Urinary osmolarity remained constant in general. The changes of water and electrolyte excretion did not correlate with those of renal hemodynamics. The results argue against natriuresis being caused on chemoreceptor stimulation by increased filtrate volume of the whole kidney, or by decreased osmolarity of the renal medulla. The results are discussed with regard to the renal function in arterial oxygen deficiency.
A Honig, and
J Knipphals, and
R Kolitz, and
K Neumann, and
U Rauhut, and
J Scholze, and
B Stubert, and
A Velt
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A Honig, and
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A Velt
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A Honig, and
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A Honig, and
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A Honig, and
J Knipphals, and
R Kolitz, and
K Neumann, and
U Rauhut, and
J Scholze, and
B Stubert, and
A Velt
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Biomedica biochimica acta,
A Honig, and
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U Rauhut, and
J Scholze, and
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A Velt
January 1951,
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A Honig, and
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