,886 HUMAN ANATOMY. 



D in number follow the renal artery and vein, especially the latter, which they 

 surround. The- lymphatic -s <>t the kidney end chiefly in the nodes lying at the sides 

 or in front ..f the'aorta ; small lymph-nodes frequently occur m the vicinity of the 



hilum. , 



The nerves of the kidney are derived from the renal plexus formed by contri- 

 butions from the solar and aortic plexuses and the least splanchnic nerve. 



FIG. 1613. 



- Stellate vein 



Glomerulus of 



alpiKlnan Ixxly 



'nterlohular artery 



Interlobular vein 



of medulla 



Capillary net-work in 

 labyrinth 



"Y^ '</, Capillary net-work in 

 ,b V"^CT medullary ray 



Large blood-vessels at 

 junction of cortex and 

 medulla 



Longitudinal section of injected kidney of dog, showing general arrangement 

 I blood-vessels of cortex and a<lj:urui iiK-dulla. X 40. 



plexus aceoinpanies the renal artery, which it surrounds with its mesh-work, into the 

 sinus ; within the hitter is formed a well-marked perivascular net-work from which a 

 number of tui^s .in- -iven off to supply the walls of tin- pelvis and ureter, while the 

 maii.iiiv a. . ompany the vessels into the kidney. The investigations of Retzius. 

 Kollikt-r. I >i>M-, Berkley, and especially of Smirnow, 1 have shown that all the renal 

 bio.. ai<- -'nen.u-ly provided with fibres for the supply of the muscular 



1 Anatom. Anzeiger, Hd. xi\.. TOOT 



