CONTENTS. Xlll 



PAGE 



Nervous Mechanism of Secretion of Saliva, 130 



Changes in the Gland-cells, 137 



Functions of the Saliva, 140 



CHAPTER VIII. 



THE STOMACH DIGESTION. 



The Gastric Glands, 143 



The Characters of Gastric Juice, 145 



Mode of Secretion of Gastric Juice, . . . . . . .147 



Action of the Gastric Juice, 149 



CHAPTER IX. 



PANCREATIC JUICE. 



Structure of the Pancreas, 155 



Characters and Mode of Secretion of Pancreatic Juice, . . .156 



Changes in the Gland-cells, 158 



Action of Pancreatic Juice on Proteids, 160 



Action on Fats, 161 



Action on Starch, 162 



CHAPTER X. 



BILE. 



Functions of the Liver, 163 



Structure of the Liver, 164 



Composition and Method of obtaining Bile, 169 



Method of Secretion of Bile, 173 



Functions of the Bile, 175 



CHAPTER XI. 



FUNCTIONS OF THE INTESTINAL Mucous MEMBRANE. 



Structure of the Small Intestines, 178 



Method of obtaining Intestinal Secretion, 180 



Characters and Functions of the Intestinal Juice, .... 181 



Functions of the Large Intestine, 183 



Putrefactive Fermentations in the Intestine, 184 



