506 



INDEX. 



Putrefaction processes, 4 ; in intestines, 

 216-222, 363-369 ; regulation of the 

 putrefaction in the intestines, 220, 

 221. 



Putrescin, 376, 425. 



Ptomaines, 11 ; in urine, 376. 



Ptyalin, 171 ; behavior with HC1, 172, 

 174, 212 ; action on starch, 171. 



Pyaemia, 113. 



Pyin, 14, 123, 128, 130. 



Pyiuic acid, 130. 



Pyloric glands, 175, 185. 



Pyloric secretion, 186. 



Pyocyanin, 130 ; in sweat, 328. 



Pyoxanthose, 130. 



Pyridin, in body, 393. 



Pyrocatechin, properties, 365; occur- 

 rence in the urine, 365 ; in the supra- 

 renal body, 134 ; in transudations, 

 125. 



Pyrocatechin -sulphuric acid, 363, 365. 



Pyromucic-acid, 389. 



Pyromucin-ornithuric acid, 389. 



Pyromucuric acid, 389. 



Quinic acid, behavior in the body, 360. 



Quinin, passage into the urine, 393 ; in 

 sweat, 328 ; action on the elimination 

 of uric acid, 352, 353 ; on the spleen, 

 132, 353. 



Rachitis, 240, 241. 



Reduction processes, 1, 2, 6, 7, 95, 96, 

 153, 155, 156, 218, 250, 360, 369, 370, 

 390. 



Reducing substances, production in 

 putrefaction and fermentation, 4, 

 218 ; occurrence in blood, 4, 62, 218 ; 

 in urine, 374 ; in transudations, 122. 



Rennet, 175-177 ; properties, 184 ; de- 

 tection in the contents of the stom- 

 ach, 193 ; passage into the urine, 376. 



Rennet-cells, 175. 



Rennet-glands, 175. 



Rennet-zymogen, 184. 



Resinous acids, passage into the urine, 



393, 396. 

 Respiration, of the hen's egg, 297 ; of 



plants, 2 (see Exchange of gases). 

 Respiratory quotient, 447. 

 Rest, exchange of material, 264-270, 



467, 468. 

 Retina, 280. 

 Rhodophan, 282. 

 Rhodopsin, 280. 



Rhubarb, action on the urine, 394. 

 Rigor mortis of the muscles, 262, 272. 

 ROBERT'S method for determining the 



quantity of sugar, 418. 

 Rodents, biliary acids of, 147, 158. 

 Rods of the retina, coloring matter, 



280. 

 ROVTDA'S hyaline substance, 67, 89, 



129. 



Saccharogen, in the mammary glands, 

 320. 



Saccharic acid, 374. 



Sal ammonia, action on the exchange 

 of material, 466. 



Salicylic acid, in the body, 392; action 

 on the pepsin digestion, 181; on the 

 exchange of material, 466; on trypsin 

 digestion, 206. 



Saliva, 168-174; secretion, 174; poi- 

 sonous properties, 11; mixed saliva, 

 170, physiological importance, 174; 

 behavior in the stomach, 174, 187; 

 various kinds, 168-170; action, 170; 

 composition, 173. 



Salivary calculi, 174. 



Salivary diastase, see Ptyalin. 



Salivary glands, 165. 



Salmon, flesh, 271; sperma of, 287. 



Salts, see various salts. 



Salt-plasma, 55. 



Saltpetre, action on the exchange of 

 material, 466. 



Samandarin, 326. 



Santonin, action on the urine, 394, 406. 



