550 



USTDEX. 



Digestion, general considerations,. 133 



duration of, 134 



in the mouth, 135 



in the stomach, 208 



influence of exercise upon, . . 282 



influence of loss of blood 



upon, 283 



influence of age upon,. 283 



influence of the nervous sys- 

 tem upon, 283 



in the small intestine, 308 



Digestive apparatus, general ar- 

 rangement of, 133 



Digestibility of different articles, . . 273 



Drinks, 101 



Drinking, mechanism of, 138 



Duodenum, 309 



Eggs, as articles of food, . .' 77 



Electricity, influence of, in modi- 

 fying endosmsis, 499 



Enamel of the teeth, 139 



Endosmosis, 469, 471 



discovery of laws of, 471 



experiments on, anterior to 



the observations of Dutrochet,. 472 



experiments of . Dutrochet 



upon, 474 



conditions necessary to,. ... 476 



behavior of albumen and al- 



buminose in, 477 



influence of membranes upon, 478 



application of laws of capil- 

 lary attraction to, 478 



through porous septa, 482 



through homogeneous mem- 

 branes, 483, 485 



through liquids, 485 



production of, by the gal- 

 vanic current, 486 



influence of different liquids 



upon,... , 488 



modifications of, due to the 



extent and thickness of the 



permeable membrane, 494 



modifications of, due to pres- 

 sure and the density of liquids, . 



494-497 



modifications. of, due to move- 

 ments of liquids, 497 



modifications of, due to tem- 

 perature, 499 



modifications of, induced by 



electricity, *. 499 



application of physical laws 



to, 501 



PAOB 



Endosmosis of fatty emulsions, . . . 502 



of dense saline and other 



. solutions,. 464, 503 



modifications of, through the 



nervous system, 505 



Endosmotic equivalents, 490-494 



Enemata, nutrition by (note),. . . . 390 

 Epiglottis, function of, in degluti- 

 tion, 194-198 



effects of removal of, in the 



human subject and the inferior 



animals, 196,198,201 



Eructation, 306 



Excretion, 398 



Excretoleic acid, 899 



Faeces, general characters of, 394 



quantity of, 395 



proportion of solid matters 



in, - 396 



microscopical characters of,. 397 



summary of the characters of, 403 



time occupied in the passage 



of, through the colon, 405 



accumulation of, in the sig- 



moid flexure, 408 



expulsion of (see Defecation), 406 



Fats, 61 



proportion of, in certain ve- 

 getables, 62 



composition of, 63 



action of the gastric juice 



upon, 267 



action of the pancreatic 



juice upon, 342 



acidification of, by the pan- 

 creatic juice and the tissue of 



the pancreas, 347 



influence of the bile on the 



digestion of, 372 



absorption of, by the lacteals 



and blood-vessels, 426 



mechanism of absorption 



of, ..459, 502 



influence of the alkalinity of 



the fluids upon the absorption 



of, 461 



penetration of, into the intes- 

 tinal epithelium, 402 



Fatty diarrhoea, 348 



Fauces, pillars of, 182 



r- isthmus of, 184 



Fibrin, 48 



vegetable, 51 



action of the gastric juice 



upon, 260 



