xviii CONTENTS. 



PAOR 



§ iin7. The bile salts ; glycocholic and taurocholic acids .... 356 

 §208. The action of bile on food 357 



I'miiTi utir Juice. 



§209. The characters of pancreatic juice 358 



§210. The action of pancreatic juice on proteids ; leucin, tyrosin. Its 



action on fats and on starcb 359 



Succus Entericus. 



§211. Nature and action of succus entericus 363 



§212. Gallstones 364 



SECTION IV. 



Tin Secretion of Pancreatic Juice and of Bile. 



§ 213. The secretion of pancreatic juice 365 



§ 214. The discharge of ami the secretion of bile 366 



§215. The vascular conditions of the liver and their relations to the 

 secretion of bile. The influence of absorbed products of 



digestion 367 



§ 216. The pressure at which bile is secreted 369 



§217. The resorption of bile 870 



SECTION V. 



The Muscular Mechanisms of Digestion. 



§218. Peristaltic movements. Mastication 371 



§219. Deglutition; its phases, nature, and nervous mechanism. . . 372 



§ l'l'O. The movements of the oesophagus 375 



§221. The movements of the stomach 377 



§ 222. Vomiting 378 



g 223. The movements of the small intestine 380 



§224. The movements of the large intestine 381 



g 226. Defalcation 381 



§ 226. The nervous mechanisms of gastric and intestinal movements. The 



special movements of the rectum 383 



§ 227. Influences bearing on peristaltic movements 386 



SECTION VI. 



The Changes which tim 1 i mikruoes in the Alimentary Canal. 



§ 228. The changes in the mouth 387 



The Changes in the Stomach. 



§229. The changes in the stomach Chyme. Absorption from the 



stomach. Flatulence 388 



