590 



INDEX. 



Beart heat, genesis of, 149, 150 

 heat produced by, 108 

 rate of, 121 

 Heart-pause, 122 

 position of, 1 17 

 pumping action of, 7^ 

 refractory period of, 156 

 Heart-sounds, 118 



suction-pump action of, 134 

 tetanus of, L65 

 vaso-motor nerves of, 206 

 work done by the, 1"7 

 Heat-dissipation, conditions affecting, 485 



estimation of, l~ (l 

 Heal dyspnoea, 441, 443 

 expenditure of, 476 

 income of, 475 

 Heat-production, amount of, 364 

 by the heart, L08 

 conditions affecting, 482 

 estimation of, 481 



nlation of, to respiratory activity, 483 

 Heat-regulation, 495 



source of, 474 

 Helico-proteid, composition of, 579 

 Hemi-peptone, decomposition of, by trypsin, 303 



definition of, 293 

 Hemorrhage, effect of, on heniatopoiesis, 46 

 fatal limits of, 63 

 regeneration of the blood after, 63 

 relation of, to blood-pressure, 91 

 saline injections after. Hi 

 Hemorrhagic dyspnoea, 444 

 Hepatin, 528 



Heredity, physical basis of, 28 

 Hezon-bases, origin of, 580 

 Hexoses, 562 

 Hibernation, effect of, on the respiratory 



quotient, 438 

 Hiccough, 455 



Higher brain centres for the heart, 178 

 Hippuric- acid, nutritive history of, 339 

 Histidin, 552 

 II istohsematin, 44, 578 

 Hist on, 580 



effect of, on intravascular clotting, 61 

 Homogentisic acid. 570 

 Homothermous animals, 467 

 Hiifner's method of urea determination, 549 

 Hydra-mia from saline injections, 69 

 Hydramic plethora, effect of, on lymph secre- 

 tion, 74 

 Hydration, nature of the process of, 503 

 Hydriodic acid, 509 

 Hydrobilirubin, 320 

 Hydrobromic a< id, 509 

 Hydrocarbons, saturated, 531 

 Hydrochloric acid, occurrence of, 507 

 of the gastric juice, 238 

 preparation of, 507 

 properties of. 50S 

 secretion of, 289 

 testa for, 508 

 Hydrocumaric acid. 570 

 Hydrocyanic- acid, 542 

 Hydrofluoric acid, circulation of, in tho body, 



510 

 Hydrogen, inhalation of, 440 

 occurrence of, 499 

 peroxide, 505 

 preparation of, 500 

 properties of, 500 

 Hydrolysis by enzyme action, 282 

 definition of, 504 

 of fats, 305 

 of proteids. 292 

 1 1; il i oquinone, 569 



Hypertonic solutions, physiological definition 



of, 69 

 Hypertonicity, definition of, 37 

 Hyperpnoea, 1 10 



from muscular activity. 442 

 Hypophysis cerebri, function of, 273 

 Hypotonicity, definition of, 37 

 II \ poxanthin, 553 



relation of, to uric acid formation, 338 



Ice calorimeter, principle of, 504 

 Icterus. 249, 544 

 Idio-ventricular rhythm, 152 

 Imbibition of water, 504 

 Indol,571 



elimination of, 340 

 occurrence of, in feces, 320 

 Inferior laryngeal nerve, respiratory function 

 of, iii4 

 mesenteric ganglion, reflex activity of, 392 

 Inflammation, emigration of leucocytes in, 83 

 Iufra-hyoidei muscles, 405 

 Infundibular body, function of, 272 

 Inhibition of the heart, reflex, 172 

 Inhibitory centre, cardiac, localization of, 176 

 tonus of, 176 

 centres, respiratory. 1~>7 

 nerves of the heart, 161 

 of the intestines, 385 

 of the pancreas, 233 

 of the spleen, 333 

 of the stomach, 382 

 Innervation of the blood-vessels, 192 



of the heart, 148 

 Inorganic salts of the blood, 50 

 of urine, 341 



relation of, to blood coagulation, 56, 57 

 to the heart beat, 151, 189 

 Inosit, 573 

 Inspiration, enlargement of the thorax in, 398 



muscles of, 398, 404 

 Inspiratory centre, 457 

 Intercostaies muscles, respiratory action of, 402, 



407 

 Intermittent pulse, 141 

 Internal secretion, definition of, 265 

 of the adrenal bodies, 272 

 of the kidneys, 274 

 of the liver, 265 

 of the ovaries, 274 

 of the pancreas, 266 

 of the pituitary body, 273 

 of the testis. 273 

 of the thyroids, 270 

 Intestinal contents, reaction of, 310 

 digestion, 299 

 juice, 243 



movements, 382 385 

 Intestines, innervation of, 384 

 intrinsic nervous mechanism of, 384 

 large, absorption in the, 314 

 peudular movements of, 384 

 peristalsis of, 382 

 putrefactive changes in the, 310 

 small, absorption in the, 313 

 vaso-motor nerves of, 206 

 Intracardiac pressure, H>7, 125, 126 

 methods of measuring, 129, 130 

 Intrapulmonary pressure, 408 

 Intrathoracic pressure, 397, 409 

 Intravascular clotl Ing, 60, 61 

 Intrinsic nerves of the heart, 148 

 Invertase, occurrence of, 308 

 Invertinc, definition of, 280 

 Iodine, 509 



todothyrin, properties of, 270 

 Ionic theory of solutions, 67 



