NERVES OF THE KIDNEY. 



259 



The nerves are medullated and non-medullated. There is a sym- 

 pathetic plexus at the hilus associated with small ganglia, and from it 



Partly injected 



glomeruii. 



--___Interlobular artery. 

 Interlobular vein. 



FIG. 292. FROM A SECTION- OF THE INJECTED CORTEX OF A^V ADULT HUMAN KIDNEY. X 30. 



interlacing nerves extend into the kidney around the vessels (Fig. 293). 

 Fine branches supply the epithelial cells, especially those of the convoluted 







Tunica 

 ~ adventitia. 



Uriniferous tubules. 



FIG. 293. FROM THE KIDNEY OF 

 A MOUSE. GOLGI PREPARA- 

 TION. X 180. 



FIG. 294. TRANSVERSE SECTION OF THE LOWER HALF OF 



A HUMAN URETER. X 15. 



e., Epithelium; t., tunica propria ; 1, inner longitudinal muscle bundles; 

 r, circular layer of muscle bundles; h, outer longitudinal muscle 

 bundles. 



tubules. They form plexuses beneath and above the basement membrane 

 and have free intercellular endings. 



