CONTENTS XVii 



CHAPTER XLVIII PAGE 



GENERAL PHYSIOLOGY OF THE DIGESTIVE GLANDS 418 



Microscopic Changes during Activity* 418; Mechanism of Secretion, 420; Other 

 Changes during Activity, 421 ; Control of Glandular Activity, 422 ; Nervous 

 Control, 423. 



PHYSIOLOGY OF THE DIGESTIVE GLANDS (CONT'D) 425 



Hormone Control, 425; Nervous Control of the Pancreas, 427. 



CHAPTER L 



PHYSIOLOGY OF THE DIGESTIVE GLANDS (CONT'D) 430 



Normal Conditions of Secretion, 430 ; Normal Secretion of Saliva, 431 ; Secre- 

 tion of Gastric Juice, 432; The Intestinal Secretions, 441. 



CHAPTER LI 



THE MECHANISMS OF DIGESTION 444 



Mastication, 444; Deglutition, 445; The Cardiac Sphincter, 448; Vomiting, 

 449. 



CHAPTER LII 



THE MECHANISMS OF DIGESTION (CONT'D) 451 



Movements of the Stomach, 451 ; Character of the Movements, 451 ; Effect 

 of the Stomach Movements on the Food, 454; Emptying of the Stomach, 

 456 ; Control of the Pyloric Sphincter, 456 ; Rate of Emptying of the Stomach, 

 458; Influence of Pathologic Conditions on the Emptying, 450; Gastroenter- 

 ostomy, 461. 



CHAPTER LIII 



THE MECHANISMS OF DIGESTION (CONT'D) . 463 



Movements of the Intestines, 463 ; Movements of the Small Intestine, 463 ; 

 Movements of the Large Intestine, 468; Effect of Clinical Conditions on the 

 Movements, 470. 



CHAPTER LIV 



HUNGER AND APPETITE 471 



Hunger Contractions of Stomach, 471; Remote Effects of .Hunger Contrac- 

 tions, 474 ; Hunger during Starvation, 475 ; Control of the Hunger Mechanism, 

 476. 



CHAPTER LV 



BIOCHEMICAL PROCESSES OF DIGESTION 481 



Digestion in the Stomach, 481; Functions of the Hydrochloric Acid, 482; 

 Amount and Source of the Acid, 482; Action of Pepsin, 485; Clotting of 

 Milk in the Stomach, 488. 



