INDEX. 



Endolymph, 284. 



Energy, potential, of foods, 471. 



Enzymes, general, 8, 9, 10 ; pancreatic 

 diastase, 201; in blood, 142; bile, 210; 

 urine, 376 ; muscle, 256 ; in secre- 

 tions of the mucous coat of intes- 

 tines, 197; in saliva, 171; enzymes 

 m the mucous coat of the intestines 

 which dissolve proteids, 197 ; in 

 urine, 376; in stomach, 178; in lower 

 animals, 178; in pancreas, 201, 204; 

 in the plant kingdom, 178 ; fat-split- 

 ting enzymes, 202, 203 ; enzymes pro- 

 ducing coagulation, see Fibrin, 

 Ferment and Rennet ; urea-splitting 

 enzyme, 427. 



Erythrodextriu, 171. 



Erythropsin, see Visual purple. 



ESBACH'S albumin determination, 400 ; 

 urea determination, 346. 



Euxanthonic acid, 375. 



Ethal, 250. 



Ether, action on blood, 67 ; on the se- 

 cretion of gastric juice, 176; on the 

 muscles, 262; on the secretion of pan- 

 creatic juice, 201. 



Ethereal oils, action on the muscles, 262. 



Ethereal sulphuric acids, in the urine, 

 216, 363, 391, 392; in sweat, 327. 



Ethidine lactic acid, 260. 



Ethyl-alcohol, passage of, into milk, 

 320; behavior in the organism, 466 ; 

 action on the secretion of gastric 

 juice, 176 ; on muscles, 262 ; on di- 

 gestion, 182, 189. 



Ethylen lactic acid, 260. 



Ethylenimin, 286. 



Exchange of material, 435-471. 



Excrements, 219, 222-224; in dogs 

 with biliary fistula, 221 ; in starva- 

 tion, 439 ; with various foods, 222 ; 

 elimination of water with the excre- 

 ments, 438. 



Excretin, 223. 



Excretolic acid, 223. 



Exostose, 241. 

 Extinction coefficient, 81. 

 Exudations, 117, 121. 

 Eye, 280-283. 



Faeces, see Excrements. 



Fats, origin in the body, 247 ; general 

 properties, detection, and occurrence, 

 242-247: emulsification of fats, 198, 

 202, 203, 213, 214, 227, 244; fat in 

 blood-serum, 62, 111, 113; chyle, 

 118 ; yolk of egg, 293 ; pus, r29; fatty 

 tissues, 242, 243 ; bile, 156 ; brain, 

 274 ; urine, 424 ; bones, 239 ; milk, 

 302, 303, 310, 313, 317, 318 ; nutri- 

 tive value, 460, 461, 471-473; ab- 

 sorption, 227, 232 ; heat of combus- 

 tion, 471-473 ; behavior to the intes- 

 tinal juice, 198 ; to gastric juice, 183, 

 188 ; to pancreatic juice, 203 ; saponi- 

 fication of, 203, 213, 214 ; action on 

 the secretion of bile, 144. 



Fat, metabolism in activity and at rest, 

 268, 269; in starvation, 445, with 

 various foods, 456, 461-466, 480-482. 



Fat cells, 183, 211, 242. 



Fat sweat, 326. 



Fatty acids, general properties, detec- 

 tion, and occurrence, 243-247 ; feed- 

 ing with, 247 ; nutritive value, 461 ; 

 syntheses to neutral fats, 248. 



Fatty series, behavior in the organism, 

 388. 



Fatty tissues, 242, 243; behavior with 

 gastric juice, 183, 188. 



Feathers, 34, 325. 



FEHLING'S solution, 415. 



Fellic acid, 150. 



Ferments, general, 8 (see various fer- 

 ' meuts). 



Fermentation, 4, 8 ; of the urine, 374, 

 427 ; of the contents of the stomach, 

 187, 188, 193 (see also various fer- 

 mentations, such as the alcoholic, 

 butyric fermentations). 



