420 MATERIA MEDIC A AND THERAPEUTICS. 



SYNOPSIS OF REMEDIES WHICH INFLUENCE VOMITING. 



CHAPTER V. 



DIGESTION THE DUODENUM. 



WE are now in a position to follow the process of digestion in 

 the duodenum. The other functions of the intestine will be 

 considered in the next chapter. 



I. PHYSIOLOGICAL RELATIONS. 



The chyme passes out of the stomach with an acid reaction, 

 and its undigested constituents are at once subjected to a second 

 process of digestion in the duodenum by an alkaline fluid, 

 which is a mixture of the pancreatic juice, the bile, and the 

 enteric juice. The pancreatic juice converts the remaining 

 starch into sugars, and the remaining proteids into peptones, 

 leucin, tyrosin, and fatty acids ; whilst in association with the 

 bile it partly emulsifies and partly saponifies the fats. The 

 sugars are converted into lactic acid and butyric acid, possibly 

 in part by the succus entericus, which is also amylolytic. These 

 products of duodenal digestion, as well as those of gastric 



