INDEX OF SUBJECTS. 345 



REACTION, reversible, 107; stationary, 107 

 REACTION VELOCITY, effect of temperature on, 87 

 RECTAL FEEDING, 52 

 RENNET (see Caseinase) 

 RENNIN (see Caseinase) 

 REVERSIBLE REACTION, 107 

 REVERSION, 106 

 RUBIDIUM, excretion of, 313 



SACCHAROMYCES, 157 



SALINE CATHARTICS (see Cathartics) 



SALIVA, 62, 176; submaxillary, 63; sublingual, 63; mixed, 64; 

 reaction of, 64 ; inorganic constituents of, 65 ; organic con- 

 stituents of, 65; ferments of, 65; chemical composition of, 

 179; secretion of, 176, 182; changes in, with different foods, 

 183; reflex secretion of, 185 (see also Salivary glands and 

 Salivary secretion) 



SALIVARY CALCULI, 65 



SALIVARY DIGESTION, in stomach, 15 



SALIVARY FISTULA, temporary, 176; permanent, 177 



SALIVARY GLANDS, 62 ; parotid, 62 ; exothermic reactions in, 182 ; 

 psychology of, 184; elimination of iodides through, 311 



SALIVARY SECRETION, regulation of, 176, 177; relation of nerves 

 to, 178; accessory phenomena of, 180, 181 ; pressure changes 

 during, 181; reflex, 182, 185; and mechanical stimulation, 

 183; effect of alkaloids on, 181; effect of water on, 183; 

 effect of sand on, 183; effect of chemicals on, 183; effect 

 of foods on, 183; and blood pressure, 187 



SALTS, as electrolytes, 260; absorption of, 274, 275, 276, 277, 

 278, 279, 280, 281 ; behavior of red blood-corpuscles toward, 

 256; alimentary excretion of, 312, 313 



SEA-SICKNESS, 185 



SECRETIN, pancreatic, 77, 227, 228; gastric, 211; as excitant of 

 biliary secretion, 238 



SECRETION, of bile (see Biliary secretion) ; of intestine (see In- 

 testinal secretion); pancreatic (see Pancreatic secretion)', 

 salivary (see Salivary secretion) 



SEGMENTATION, movements of, in intestine, 25, 26, 27 (see also 

 Intestine) 



