Micropuncture Study of Pressures in Proximal Tubules and Peritubular Capillaries of the Rat Kidney and Their Relation to Ureteral and Renal Venous Pressures1s2

Abstract

Methods are described for direct measurement of the hydrostatic pressure in the surface tubules and capillaries of the rat kidney. In fifty-six anesthetized rats intratubular pressure averaged 13.5 =t 2.4 mm Hg. Subsequent microdissection showed that all of the II z puncture sites so localized were in the first two-thirds of the proximal convoluted tubule… (More)

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