CONTENTS 13 



CHAPTER VIII 



DIGESTION IN THE STOMACH 



Importance, 131 ; Methods of Study, 131 ; Causation of Flow of Gastric 

 Juice, 132; General Character of the Secretion, 134; Hydrochloric Acid, 

 134; Source of the Hydrochloric Acid, 136; The Functions of the Hydro- 

 chloric Acid, 136; Enzymes of the Gastric Juice, 137; Products of Peptic 

 Digestion, 138; Eennin, 138; Are Pepsin and Rennin Identical?, 139; The 

 Stomach Wall is Not Digested, 140; Passage of the Food Into the Intes- 

 tine, 140. 



CHAPTER IX 



DIGESTION IN THE INTESTINE 



General, 141; Pancreatic Juice, 141; Mechanism of Flow, 142; Com- 

 position of Pancreatic Juice, 142; Trypsin, 143; Rennin, 144; Action on 

 Fats, 144; Action on Starches, 144; The Bile, 145; Causes of Flow, 145; 

 Composition, 146 ; Bile Pigments, 146 ; Bile Salts, 147 ; Intestinal Secretion, 

 147; Erepsin, 148; Other Enzymes, 148; Excretory Function of Intestinal 

 Secretion, 148; Bacterial Action in the Intestine, 149; Feces, 150. 



CHAPTER X 



ABSORPTION 



General, 152; Absorption of Proteins, 153; Carbohydrate Absorption, 

 153 ; Absorption of Fats, 154. 



CHAPTER XI 



URINE 



General, 155; Physical Properties, 156; Volume, 156; Color, Trans- 

 parency, 157; Consistency, Odor, Taste, 158; Specific Gravity, 158; Total 

 Solids, 158 ; Optical Activity, Reducing Power, Fermentation, Etc., 159 ; 

 Reaction, 160; Urea, 161; Uric Acid and Other Purine Derivatives, 163; 

 Hippuric Acid, 166; Ammonia, 167; Creatinine and Creatine, 167; In- 

 organic Constituents, 169; Chlorides, 169; Phosphates, 170; Sulphates, 170; 

 Carbonates, 171; Sodium, Potassium, Calcium, and Magnesium-, 171; Patho- 

 logical Constituents of the Urine, 172. 



