289 



CHAP. XVII. 



THE URINE. 



THERE is another fluid incessantly secreted, and always dis- 

 charged from the body, that serves no direct purpose, like the 

 bile or saliva, is not recrementitious ; nor indirect purpose, like 

 the perspiration, which regulates our temperature and preserves 

 the skin in a fit and healthy state ; but is purely excrementitious. 

 It is the urine, and is produced by the kidneys. 



" The kidneys a are two viscera, situated at the upper part of 

 the loins on each side, behind the peritonaeum ; rather flattened ; 

 more liable than any other organ to varieties of figure and num. 

 ber b ;" connected with the aorta and vena cava inferior by the- 



a, renal capsule. 

 6, kidney. 



rf, branches of renal vein. 



e, branches of renal artery. 



a " See Al. Schumlansky, 1. c." 



b " See Jer. Blasius, Renum monstrosorum exempla, at the end of Bellini, de- 

 structura et u&u renum. Amstel. 1665. 12mo." 



u 3 



