vi PHYSIOLOGY 



15. Intestiual glands. 16. Succus entericus. 17. Mechanism of 

 intestinal secretion. 18. Structure of the liver. 19. Secretion of bile 

 in digestion and fasting. 20. Influence on secretion of changes in 

 hepatic circulation. 21. Chemical constituents of bile. 22. Origin 

 and metabolic activity of hepatic cells. Bibliography. 



MECHANICS AND CHEMISTRY OF DIGESTION IN THE MOUTH AND 



STOMACH ....... 152 



1. Historical. 2. Mastication, insalivation, formation of alimentary 

 bolus, and saccharification of starch. 3. Mechanism of deglutition. 

 4. Innervation. 5. Artificial digestion in vitro to determine action of 

 gastric juice on different food-stuffs. 6. Influence of spleen on gastric 

 digestion. 7. Natural digestion in the stomach. 8. Effects of total 

 gastrotomy. 9. Active movements of stomach in gastric digestion. 

 10. Mechanism of vomiting. 11. Peripheral and central innervation 

 of stomach. Bibliography. 



CHAPTER IV 



MECHANICS AND CHEMISTRY OF DIGESTION IN THE INTESTINE . 207 



1. Artificial digestion with the three intestinal secretions : pan- 

 creatic juice, bile, succus entericus. 2. Mechanism of bile-excretion 

 in the intestine, and iunervation of muscles of common bile-duct. 

 3. Natural digestion of chyme in small intestine. 4. Putrefactive 

 processes in the intestine. 5. Effects of extensive resection of small 

 intestine in animals and man. 6. Peristaltic movements of intestine. 



7. Central and peripheral innervation. 8. Post-mortem auto-digestion. 

 Why it does not occur during life. Bibliography. 



CHAPTER V 



INTERNAL RESTITUTIVE SECRETIONS . . . .263 



1. Gastric absorption. 2. Intestinal absorption. 3. Fate of the 

 different groups of food-stuffs after absorption. 4. Importance of 

 living epithelium to absorption of crystalloid substances (salts and 

 sugars). 5. Absorption of neutral fats in form of soaps ; synthetic 

 regeneration by epithelium of intestine. 6. Absorption of proteins, 

 proteoses, and peptone ; synthetic regeneration. 7. Mechanism of 

 internal secretion of absorbed and regenerated compensation-products. 



8. Formation of glycogen (amylogenesis) and glucose (glycogenesis) by 

 hepatic cells. 9. Hepatic glycogenesis an internal secretion ; regula- 

 tion by nervous system. 10. Derivation of hepatic and muscular 



