PLATE XXV. 



rteria } interlob- 

 ftiitt ) ularis 



Vena } inteiiob- 

 Arteria j ularis 



Vic,. 105. Diagrammatic representation of the course of the urinary canals (left) and the 



kidney vessels (right). 



The arteries are red, the veins blue: capsules of Bowman, convoluted tubules I. order 

 and loops of Henle are black; convoluted tubules II. order and collecting tubules, gray. 



I., II., III., IV., four kidney lobules: a. vas aflerens; e. vas etterens. 1. Bowman's 

 capsule; >. convoluted tubule I. order; II descending limb of loop of Henle; 4. ascending 

 limb of loop of Henle ; 5, convoluted tubule II. order ; (j. 7. collecting tubules; 8, papillary 

 duct. 



