sodium balance
Sodium Balance in the Freshwater Prawn, Palaemonetes Antennarius
... In solutions less concentrated than the blood, chloride ions are actively taken up and the resulting potential, again negative, helps to maintain sodium balance although there is also a [r] ...
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The effect of altered sodium balance upon renal vascular reactivity to angiotensin II and norepinephrine in the dog Mechanism of variation in angiotensin responses
... by sodium balance or disease is ...chronic sodium depletion increased plasma renin activity (PRA) and blunted the RVR to AII, while acute sodium repletion and chronic sodium excess plus ...
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A novel role for uroguanylin in the regulation of sodium balance
... body sodium balance may be the mammalian counterpart to the possi- ble contribution of uroguanylin to the processes controlling osmoregulation in euryhaline fish, which can adapt to living in either ...
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Studies on Sodium Balance in Gammarus Duebeni Lilljeborg and G Pulex Pulex (L )
... pulex bears many resemblances to that found in Astacus pallipes, particularly in that a the uptake mechanism has a very high affinity for sodium ions, and the maximum transport rate is r[r] ...
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Short Communication: Sodium Balance in Fresh Run Atlantic Salmon
... sodium uptake in detail but one fish, 17, adapted to fresh water for at least 5 days, took up sodium at the rate of only 172 % h " 1 body Na, when transferred to a bath containing 5 - 6m[r] ...
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The Effect of Environmental Calcium and Ovine Prolactin on Sodium Balance in Fundulus Kansae
... T h | addition of 1 mM-Ca/1 reduced the rate of efflux to 0-063 h" 1 with"1 5 m^nHypophysectomized fish had a higher rate constant of turnover of sodium than intact fish, in fresh water,[r] ...
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The Sodium Balance Mechanism in the Fresh Water Amphipod, Gammarus Lagustris Sars
... Both the total sodium loss rate and the sodium influx rate remained approximately constant in animals acclimatized to the range of external concentrations from 2 to 0-3 mM/1.. At lower c[r] ...
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Observations on the Sodium Retaining Corticoid in the Urine of Children and Adults in Relation to Sodium Balance and Edema
... The sodium-retaining activity of extracts of urine from several patients with lipemic nephrosis, cardiac failure, or hepatic cirrhosis was found in the same chromatographic fraction of e[r] ...
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Sodium Balance in the Eggs of the Atlantic Salmon, Salmo Salar
... These experiments suggest that in freshly stripped living eggs in isotonic saline or in fresh water, sodium exchange is confined to the chorion and the perivitelline fluid, although in t[r] ...
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Sodium Balance in Eriocheir Sinensis (M EDW ) The Adaptation of the Crustacea to Fresh Water
... c Summary of balance conditions The results presented in the previous sections show that in external concentrations down to about 2 % sea water the active uptake mechanism is fully satur[r] ...
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Serum Aldosterone Concentrations Related to Sodium Balance in the Newborn Infant
... These data and the present results suggest that the newborn kidney responds to variations in aldosterone secre- tion, even at very high blood levels of aldosterone; the RDS infants on th[r] ...
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Hypertonic sodium lactate improves fluid balance and hemodynamics in porcine endotoxic shock
... tive sodium balance associated with a negative chloride balance following HSL infusion, which supports chloride urine excretion coupled to the high sodium urine ex- ...urinary sodium ...
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Mid regional pro adrenomedullin (MR proADM), a marker of positive fluid balance in critically ill patients: results of the ENVOL study
... balance is currently a difficult task using tools that have their own limits. MR-proADM concentration, on the other hand, offers a measure of sodium balance and extracellular space, which could be ...
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The effect of potassium loading on sodium excretion and plasma renin activity in Addisonian man
... of sodium while receiving a constant amount of cortisone acetate and ...either sodium replaced (six studies in four patients) or allowed to become sodium depleted (three ...negative sodium ...
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Increased renal secretion of norepinephrine and prostaglandin E2 during sodium depletion in the dog
... of sodium balance, simultaneous measurements of arterial and renal venous concentrations of norepinephrine and prostaglandin E2 (PGE2) and of plasma renin activity, as well as renal blood flow and systemic ...
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Sodium regulation in the larvae of Chironomus dorsalis (Meig ) and Camptochironomus tentans (Fabr ): the effect of slat depletion and some observations on temperature changes
... Sodium balance and sodium depletion in distilled water The ability to balance sodium uptake and loss at low external concentrations is a good indication of an animal's salt regulatory ab[r] ...
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Prolonged Infusions of Angiotensin II and Norepinephrine and Blood Pressure, Electrolyte Balance, and Aldosterone and Cortisol Secretion in Normal Man and in Cirrhosis with Ascites
... Summary To obtain more information about a possible angiotensin-aldosterone interaction for regulation of sodium balance and arterial blood pressure, the effects of prolonged infusions o[r] ...
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Effects of chronic potassium deficiency on plasma renin activity
... demonstrated as early as the 1st depletion day in two of the dogs. Maximum values in the five dogs were recorded from the 2nd to the 28th day of depletion. Early in depletion, changes in renin activity did not correlate ...
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THE EFFECT OF HUMAN SERUM ALBUMIN, MERCURIAL DIURETICS, AND A LOW SODIUM DIET ON SODIUM EXCRETION IN PATIENTS WITH CIRRHOSIS OF THE LIVER
... Sodium excretion increased, occasionally to permit negative sodium balance, in three circumstances: during a spontaneous decrease in ascites and edema formation; following the intravenou[r] ...
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Sodium and water balance in chronic congestive heart failure
... changed with increased sodium intake. However, reversal of vasoconstriction by captopril during the 10 meq diet, and its ineffectiveness during the 100 meq diet, indicated a renin- dependent mechanism in the ...
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