Results 251 to 260 of about 2,888,104 (308)
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Extracellular and cerebrospinal fluids
Journal of Inherited Metabolic Disease, 1993SummaryThe mechanism of formation of extracellular fluid is first described, followed by an explanation of the relation between osmotic force, reflection coefficient and molecular size. The possible mechanism of brain extracellular fluid formation is then proposed in relation to the restriction offered by the blood‐brain barrier.The functions and ...
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Extracellular fluid volume in patients with cancer
Nuclear Medicine Communications, 2010Cancer patients may have extracellular fluid volume (ECV) abnormalities that potentially invalidate glomerular filtration rate (GFR) measured using the slope-intercept technique. The aim was to test this concern by measuring ECV in cancer patients in comparison with noncancer patients and healthy kidney donors.GFR was measured with Cr-EDTA and the ...
A. Michael Peters +5 more
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THE VOLUME OF EXTRACELLULAR BODY FLUIDS IN MALNUTRITION
Pediatrics, 1948Extracellular body fluid volume, as measured by the thiocyanate method, was found to increase per kilo of weight considerably in malnutrition. In severe malnutrition nearly half of the body is made up of extracellular water. The absolute amount of the latter is, however, decreased, though proportionately to a smaller extent than fat and protoplasmic ...
S. Kovach, E. Kerpel-Fronius
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Estimates of Extracellular Fluid Volume of Myocardium
American Journal of Physiology-Legacy Content, 1955The extracellular fluid volume of the myocardium was determined in nephrectomized cats using sucrose as a reference material. This was allowed to equilibrate for one day before analysis. The chloride space, sodium space and an extracellular fluid volume based on the Conway-Boyle hypothesis were also determined.
William Van B. Robertson, Pincus Peyser
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Renal Regulation of the Extracellular Fluid
Nature, 1948THE behaviour of the kidney in relation to the electrolytes of the extracellular fluid is usually described in terms of two mechanisms operating to maintain the homceostatic state : (a) Regulation of the concentration of several individual electrolytes and non-electrolytes within a limited range of variability.
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Regulation of extracellular fluid volume in neonates
Early Human Development, 1993This review summarises mechanisms of control of extracellular fluid volume in the neonatal period. 'Normal' body fluid distribution and methods of its measurement are discussed as well as regulatory mechanisms with particular emphasis on hormonal and renal aspects.
John Simpson, T. Stephenson
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Penetration of ceftazidime into extracellular fluid in patients
Journal of Antimicrobial Chemotherapy, 1981Eight patients were treated with ceftazidime, four of whom had impaired renal function with creatinine clearances below 60 ml/min per 1.73 m2. The levels of ceftazidime in serum and extracellular fluid were determined. Half-life in serum and extracellular fluid was 2.5 and 2.2 h respectively for patients with normal renal function.
Björn Hoffstedt, Mats Walder
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EXTRACELLULAR FLUID IN CARDIAC EDEMA AND ASCITES
Archives of Internal Medicine, 1949THE IMPORTANCE of determining quantitatively the amount of extracellular fluid deposited as edema or ascites in pathologic states is well appreciated. Previous laboratory methods for this determination were open to criticisms and objections. Experimental work showed that the chloride ion is confined principally to the extracellular area.
Max M. Friedman +2 more
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Extracellular Fluid Phase in Rheumatoid Arthritis
Acta Rheumatologica Scandinavica, 1958Summary The writers have studied the extracellular fluid phase (EFP) in 40 patients with rheumatoid arthritis and in 10 controls. The measurements were made by the thiosulfate method.The EFP was clearly increased in patients with rheumatoid arthritis.
J. L. Kalliomäki +3 more
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Regulation of extracellular fluid volume and osmolality
Annals of Biomedical Engineering, 1980In health, both the total amount and the distribution of water and electrolytes in the body are controlled within narrow limits. While intercompartmental water fluxes depend solely on physical driving forces, the latter are determined by complex circulatory feedback mechanisms that manipulate capillary pressure, and by active transport mechanisms that ...
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