1012 



THE URIXARY ORG ASS 



cate with the vt'iious plexus in the adipose capsule and l)y means of this with the 

 visceral and parietal veins in the neighbourhood. They are very distinct Avhen the 

 orsan is congested. The renal lymphatics may be divided into two sets, capsular 

 and parenchymatous. Thev terniinate in a series of glands lying with the renal 

 vessels in the subperitoneal tissue, and their contents are ultimately conveyed into 

 the receptaculum chvli. 



Nerves.— The nerves form a plexus accompanying the vessels, and arc derived 



Fig. 614.— Scheme of Tubules axd Vessels of the Kidney. 



TUNICA PROPRIA .-t= 

 Cortical vein 



Glomenthis and 

 capsule of Bowman 



CORTEX -J 



Cortical vein 



Cortieo-medullary f_ 



artery 



Medullary artery 



Efferent vessel form- 

 ing medullary plexus 



MEDULLA -V 



Papillary plexus 

 surrounding lite 

 foramina papil- 

 laria 



PRIMARY CONVOLUTED 

 TUBE 



CAPSULE OF BOWMAN 



SECONDARY CONVOLUTED 

 TUBE 



LOOPED TUBE OF 

 HENLE 



ULTIMATE TUBE OPENING 

 ON TO THE FORAMEN 

 PAPILLARE 



mainly from the sympathetic through the solar and aortic plexuses, and the splaneh- 

 nics. They communicate with the spermatie i)lexuses. 8onie filaments have also 

 been traced from the pneumogastrics. 



Varieties. — The principal variations of the kidney arc as follows: — 



1. In Jo nil. — Disproportionate increase of one or other diameter, producing the 

 long, globular, triangular, and discoid types. 



2. la size. — Ine(|uality; one being small, the other compensatingly large. 



3. Ill number. — The organ may be single, then usually occupying its ordinary 



