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Plan of the blood vessels connected with the tubules. "The blood passes downwards in straight vessels between the uriniferous tubules, to be returned by more or less straight veins to the venous arches, whence it is conveyed by large branches into the renal vein, which leaves the kidney at the hilus and pours its contents into the inferior vena cava... Urine is secreted from the blood in two ways. It is partly removed by a process of transudation or filtration, and partly by the secretary action of the cells lining the uriniferous tubules." —Kimber, 1907.

Plan of the Blood Vessels Connected with the Tubules

Plan of the blood vessels connected with the tubules. "The blood passes downwards in straight vessels…

Diagram of the course of two uriniferous tubules. Labels: M, Malpighian capsule, or dilated extremity, C, convoluted portion of tube; H, loop, consisting of a descending and ascending limb; D, collecting tubule.

Plan of the Blood Vessels Connected with the Tubules

Diagram of the course of two uriniferous tubules. Labels: M, Malpighian capsule, or dilated extremity,…