192 



INDEX. 



CARBON DIOXIDE, stimulating effect of, 

 on the pancreas, 113 



Centrifugal nerves. See Nerve apparatus 



Centripetal nerves. See Nerve apparatus 



Chigin, Dr., method of collecting 

 gastric juice, 11-13 



Chloride of sodium neutral, an ex- 

 citer of gastric juice, 95 



Cold ineffective in promoting flow of 

 saliva, 1 51 ; effect on peptic glands, 

 170, 171 



Cream, influence of, on the flow and 

 digestive power of gastric juice, 106 



DESIRE for food, influence of (see 

 Psychic effect) 



Diarrhcea, explanation of, in enteritis, 

 161 



Digestibility of food, criterion of, 

 144 



Digestion, unsolved problems in the 

 physiology of, 2, 3 ; defects in our 

 teaching as regards, 3 ; Briicke's 

 and Ludwig's methods of investi- 

 gating problems of, 3 ; the method 

 adopted in this inquiry, 4 ; gastric, 

 effect of exciting the sciatic nerve on, 

 53 ; dependence of, upon an inner - 

 vation apparatus, 110 et seq. ; Blon- 

 dlot's researches on, 111 ; Heiden- 

 hain's important additions to the 

 knowledge of, 111 ; experimental 

 pathology of, 167 ct scq. 



Digestive fluids, specific activity of, 2 ; 

 defective character of the deductive 

 knowledge of, 2, 3 ; Bassow's and 

 Blondlot's methods of collecting, by 

 means of fistulas, 9 ; relationship of 

 the properties of, to their required 

 functions, 118, 119; inter-dependent 

 relationship of the, 163 



Digestive glands, activity of, dependent 

 on the presence of food, 20 ; adapta- 

 bility of, to special foods, 32 et seq. ; 

 nervous apparatus of, 65 ct scq., 109 

 et seq. 



Digestive system compared to a chemi- 

 cal factory, 2 



Digitalis, action of, on the heart, 146 



Diseases as aids to experimental patho- 

 logy, 166, 167, 173 ; method of experi- 

 ment essential for ascertaining the 

 causes and origin of, 178 et seq. 



Dry ness, effect of, on salivary secretion, 

 68 ct scq., 151, 152 



Duodenum, reflex effect on flow of gas- 

 tric juice from, 110; effect of acids 

 entering the, on the flow of pancreatic 

 juice, 118 ; state of during digestion 

 122 ; effect of alkalinity and of fat in 

 the, in regulating the emptying of 

 the stomach, 164 et seq. 



EFFERENT or centrifugal nerves. See 

 Nerve apparatus 



Enterokinase, the ferment of the succus 

 entericus, 160 ; flow of, excited by the 

 pancreatic juice, 160, 161 



Essen tucky water, inhibitory effect of, 

 on flow of pancreatic juice, 126 



Experimental pathology, 167 ct scq. ; 

 need for chair of, 182 



Experimental therapeutics, 174 ct seq. ; 

 rleed for chair of, 182 



Experiments essential for the solution 

 of problems in medicine, 177 ; in 

 pathology, 177 et scq. ; and in thera- 

 peutics, 177 ct scq. ; demand for insti- 

 tutes specially devoted to biological, 

 182 et seq. 



FAT, not an exciter of the flow of 

 gastric juice, 97; effect of, when 

 associated with flesh, 103 et scq. ; as 

 a probable exciter of the pancreas, 

 120 ct scq., 142 ; effect of, in increas- 

 ing the activity of Ihe fat-splitting 

 ferment, 122 ; use of, in food, 142 ; 

 duodenum, the seat of inhibitory 

 effect of, 154 ; influence of, on flow 

 of bile, 156, 157 ; and on the empty- 

 ing of the stomach, 166 



Fat-splitting ferment, mode of deter- 

 mining its power, 27, 28 ; power of, 

 after a milk diet, 29, 30, 122 ; diges- 

 tive power of, in the pancreatic 

 secretion, 39 ; increase of, induced 

 by fat, 122 ; the duodenum the pro- 

 bable seat of influence of foregoing, 

 122, 123 ; action of bile on, 157 



Ferment, special nerve fibres for induc- 

 ing secretion of, in saliva, 46 



Ferments of pancreas ; activity favoured 

 by alkalies, checked by acids, 118 ; 

 favoured by the succus entericus, 

 159 



