Abstract

AbstractLeyssac, P. P. The luminal occlusion time of proximal tubules in kidneys of young rats. Acta physiol. scand. 1965. 64. 176–181. – The purpose of this investigation was to test the validity of the luminal occlusion time as a method for estimation of the rate of proximal reabsorption. The occlusion time denotes the time required from interruption of the renal circulation until the proximal tubules have completed reabsorption of the luminal fluid. The results demonstrate that the close correspondance between the rate of reabsorption as evaluated from the occlusion time and the immediately preceding clearance of inulin holds also in experiments with young rats of a body weight of 100 g, in which the volume of luminal fluid per unit tubular length is far less than in kidneys of adult rats.

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