340 INDEX OF SUBJECTS. 



HOLOTHURIA TUBULOSA, absorption in, 280 

 HYDROCARBONS, diffusion of, into protoplasm, 271 

 HYDROCHARIS, plasmolysis of, 271 

 HYDROCHLORIC ACID, 195, 199 

 HYDROCYANIC ACID and fermentation, 98 

 HYDROGEN PEROXIDE, decomposition of, 94 

 HYDROGEN SULPHIDE and fermentation, 98 



ICTERUS, 242 



ILEOC^ECAL VALVE, 29 

 ' IMMUNITY, 140; of tissues to ferments, 135 



INDICATORS, 320 



INDIGO ENZYME, 88 



INTESTINAL CONTENTS, character of, 317 



INTESTINAL FISTULA, 243 



INTESTINAL JUICE, 73; physical character of, 73, 244; human, 

 74 ; ferments of, 75 ; antiproteinase of, 76 ; enterokinase of, 

 76; pancreatic secretin of, 79 



INTESTINAL SECRETION, 237; regulation of, 243 (see also Intes- 

 tine) 



INTESTINE, ulcers of, 139; contents of large and small, com- 

 pared, 318, 319; importance of, in protein digestion, 302; 

 and synthesis of protein, 306 ; permeability of epithelium of, 

 256, 267 



INTESTINE, LARGE, movements of, 29; antiperistalsis in, 29; 

 tonic constrictions in, 30; peristaltic waves in, 36; passage 

 of food into, 40; time food spends in, 40; effect of emo- 

 tional states on movements of, 45 ; absorption in, 30, 77 ; 

 secretion of, 77 ; enzymes in, 77 ; putrefaction in, 78 



INTESTINE, SMALL, movements of, 22; segmenting movements 

 in, 25, 26, 27; peristaltic movements in, 28; passage of 

 food into, 39; nervous supply of, 43, 44; effect of emo- 

 tional states on movements of, 45 ; secretion from, 243, 244 ; 

 relation of nervous system to secretion from, 244, 245; 

 paralytic secretion of, 244 ; secretion into isolated loops of, 

 244 ; absorption of peptones from, 309, 310 



INVERTASE (see Sucrose) 



INVERTIN (see Sucrose) 



INVERT-SUGAR, 153 



