INDEX OF SUBJECTS. 341 



IODIDES, elimination of, 311 

 IONIZATION, 260 

 IONS, 260 



ISOSMOTIC SOLUTIONS, 268 

 ISOTONIC SOLUTIONS, 268 



KETONES, diffusion of, into protoplasm, 271 

 KIDNEYS and alimentary tract in excretion, 312 

 KINASE, 248 



LACTASE, of pancreas, 69; of intestine, 76, 157; 'reversible ac- 

 tion of, 157; appearance of, in pancreas, 235; appearance 

 of, in small intestine, 235 



LACTOSE, digestion of, 76; and lactase, 157; adaptation of 

 pancreas to, 234, 235 



LANOLIN, failure of absorption of, 289 



LARGE INTESTINE (see Intestine, large) 



LECITHIN, in digestion of triacetin, 241 ; as a lipoid, 274 



LIPASE, 149; of stomach, 67, 291; of pancreas, 69; of intestine, 

 75; distribution of , 150,291; preparation of , 150; effect of 

 external conditions on, 150; reversible action of, 151; and 

 bile, 238, 239, 240, 241 ; destruction of, in stomach, 298 



LIPOIDAL ABSORPTION, 268 ; development of conception of, 268, 

 269, 270 



LIPOIDS, 274; role of, in absorption, 279 



LIVING MATTER, 135, 136 



LYMPHATIC FISTULA, MUNK and ROSENSTEIN'S case of, 286, 294, 

 302 



MALTASE, 104; of saliva, 62, 65; of intestine, 76; separation 



from amylase, 105; sources of, 105 

 MALTOSE, 99; digestion of, 76; and maltase 104; analysis of, 



105; synthesis of, 108 

 MALT-SUGAR (see Maltose) 



MAMMALS, appearance of lactase in, 234, 235, 236 

 MANGANESE DIOXIDE, 79 

 MASS-ACTION, law of, 84 

 MASTICATION, 2 ; muscles concerned in, 3 ; nerves concerned in, 



3; results of incomplete, 14 



