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53. Atrial natriuretic factor and body water distribution.

Author

Vidal NA, Arranz CT, Mones Sias MC, Herrmann AP, and Martinez Seeber A

Subjects
Animals, Blood Pressure, Blood Volume, Extracellular Space physiology, Hematocrit, Male, Nephrectomy, Rats, Atrial Natriuretic Factor physiology, Body Water physiology, Water-Electrolyte Balance
Abstract

In the rat, the effects of an atrial natriuretic factor (ANF) (Rat, 8-33 Peninsula Lab) on body water distribution have been evaluated. The ANF administration to nephrectomized animals produced a decrease in plasma volume and a slight increase in haematocrit and in plasma albumin concentration. No modifications were observed in total and intracellular water. The fluid efflux from the capillaries appeared to be located in the interstitial space. These results suggest that ANF could regulate plasma volume and systemic blood pressure, concurrently with its other known effects.

Published
1987

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