438 



PHYSIOLOGY. 



Fig. 166. Blood-vessels and Uriniferous Tubules of the Kidney 

 ( Semidiagrammatic ) . ( LANDOIS. ) 



A, Capillaries of the cortex. B, Of medulla, a, Interlobular artery. 1, 

 Vas affereas. 2, Vas efferens. r, e, Vasa recta, c. Venae rectae. v, v, Inter- 

 lobular vein, i, i, Bowman's capsule and glomerulus. x, x, Convoluted tubules. 

 t, t, Henle's loop, o, o, Collecting tubes. O, Excretory tube. 



becomes dilated, irregular, and angular, zigzag, which ends in the 

 distal convoluted tube, finally to terminate in a short curved tube, 

 which empties into the straight, or collecting) tube, 



