334 INDEX OF SUBJECTS. 



ALIMENTARY CONTENTS, character of, 317; progressive changes 

 in, 317; reaction of, 319, 320; effect of, on alimentary fer- 

 ments, 321, 322 



ALIMENTARY TRACT, general functions of, 1 ; movements of food 

 through, 36 ; nervous control of, 41 ; effect of emotion on 

 movements of, 44, 45, 46; failure to digest itself, 135, 140; 

 bacteria of (see Bacteria} ; physiological connection between 

 different portions of, 248; as absorptive system, 249; as 

 excretory system, 311; predominant permeability of, in 

 one direction, 279, 280 



ALKALI-PROTEIN ASE, of pancreas, 69; preparation of, 122; 

 effect of medium on, 123; effect of temperature on, 123; 

 effect of concentration of ferment on, 124; cleavage of pro- 

 teins by, 124; end products of digestion by, 125; and bile, 

 241 ; role of, in protein absorption, 300, 301 



ALKALIES and gastric secretion, 232 



AMINO-ACIDS, 121, 124, 126; in intestinal contents, 301 



AMPHOPROTEINASE, 129 



AMYLASE, 99; of saliva, 62, 65; of pancreas, 69; of intestine, 

 75 ; sources of, 99 ; salivary and pancreatic compared, 100 ; 

 effect of external conditions on, 100; action of, on starch, 

 101; effect of temperature on, 103; possible reversible 

 action of, 103; and glycogen. 103; separation from mal- 

 tase, 105; and bile, 241 



AMYLOPSIN (see Amylase) 



ANACIDITY, consequences of, in stomach, 165 



ANIMAL MEMBRANES (see Membranes) 



ANTIFERMENT, 80, 133 (see also Antiproteinase) 



ANTIPEPSIN (see Antiproteinase) 



ANTIPROTEINASE, of stomach, 68 ; of intestine, 96, 133 ; prep- 

 aration of, 133; action of, 134; effect of heat on, 134; 

 general distribution of, 137; consequences of lack of, 137 ^ 



ANTITOXINS, 139 



ANTITRYPSIN (see Antiproteinase) 



APPETITE, 203; as gastric excitant, 203; physiological impor- 

 tance of, 230 



APPETITE JUICE, 204, 205; physiological importance of, 205 



ARGINASE, of intestine, 76; and arginin, 158, 308 



ARGININ, digestion of, 76; and arginase, 158 



