INDEX OF SUBJECTS. 347 



Succus ENTERICUS (see Intestinal juice and Intestinal secretion) 



SUCKLINGS, lactase in, 235 



SUCRASE, of intestine, 76, 153; distribution of, 154; isolation 



of, 154; effect of external conditions on, 155 

 SUCROSE, digestion of, 76, 153; inversion of, by sucrase, 155; 



inversion of, by acids, 155; 



SUGARS, absorption of, 285; excretion of, into intestine, 315, 310 

 SULPHOCYANATE, of saliva, 63 

 SULPHURIC ACID, manufacture of, 79, 83 

 SWALLOWING (see Deglutition) 

 SYMPATHETIC NERVE, effect of, in gastric movements, 42; effect 



of, on pancreas, 223; and salivary secretion, 178 

 SYNAPTASE, velocity of decomposition of, 88 



TARTAR, 65 



TOXINS, 139 



TRIACETIN, pancreatic digestion of, 240, 241 



TRIFACIAL NERVE, and salivary glands, 178 



TRIOLEIN, analysis and synthesis of, 153 



TRYPSIN (see Alkali-proteinase) 



TYPICAL COLLOIDS, 252 (see also Colloids) 



ULCERS of alimentary tract, 138 



UNITS, ferment, 220 



UREA, from arginin, 158; in alimentary secretions, 315 



VAGOTOMY, 201 



VAGUS, effect of, on gastric movements, 42; effect of, on intes- 

 tinal movements, 43; and gastric secretion, 222; and 

 pancreatic secretion, 222 



VlSCOSIMETER, 131 



VISCOSITY, determination of, 131; of proteins, 131, 144 

 VITAL PROPERTIES, 81 



WATER, with meals, 104 ; as excitant of gastric secretion, 226, 

 232 ; as excitant of pancreatic secretion, 226 ; absorption of, 

 262, 269; absorption of, by colloids, 250; osmotic absorption 

 of, 264 (see also Absorption) 



