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TEXT-BOOK OF PHYSIOLOGY 



a more or less converging manner the long straight or collecting tubule, 

 which finally opens at the apex of the pyramid. Each tubule consists 

 of a basement membrane lined throughout its entire extent by epithelial 



Lobule. 



Lobule. 



Thin - 



division of the 

 loop of Henle. 



Tunica albuginea. 



Stellate vein. 



_ Interlobular 

 artery. 



Interlobular 

 vein. 



Arcif orm arterf 



Arcitorm vein. 



Interlobar artery. 

 Interlobar vein. 



Papillary duct. 



FIG. 203. SCHEME OF THE COURSE or THE URINIFEROUS TUBULES AND THE RENAL VESSELS. 



(Stdhr.) 



cells. The epithelium as well as the tubule varies in shape and size in 

 different parts of its course. In the capsule the epithelium is flattened, 

 lining not only the inner surface of the capsule but reflected over the blood- 

 vessels as well. This is known as the glomerular epithelium. In the 



