1306 



INDEX 



Heart sounds, 949 



' staircase phenomena ' in, 999 

 tone of, 1004 

 valves of, 938 

 work of, 959 



during exercise, 1054 

 Heat-formation in muscle, 219-223, 237 

 -loss, regulation of, 1226 



in isolated muscle, 291 

 in nerve, 285 



-production in body, 3, 668, 1223 

 -value of foods, 667 

 Heller's test, 94 



Helmholtz, theory of hearing, 611 

 Helweg's tract, 353 

 Hemiansesthesia, 445 

 Heminanopia, 553, 577 

 Hemiplegia, 445 

 Heredity, 1264-1268 

 Bering's theory of colour vision, 583 

 Herpes zoster, 349 

 Hexone bases, 82 

 Hexoses, 61 



derivatives of, 64 

 in nucleins, 102 

 Hibernation, 837 



Hind brain, connection with cord, 354 

 Hippuric acid in urine, 1169 

 Hippus, 512 

 His, bundle of, 936, 993 

 Histidine, 85 



metabolism of, 816 

 Histological differentiation, 7 

 Histones, 95 

 Hofmann's test, 83 

 Homogentisic acid, 51, 814 

 Homoiothermic animals, 1221 

 Hopkins' reactions for tryptophaue, 92 

 Hormones, 1230-1247 

 food-, 693 

 Horopter, 590 



Hunger, influence of gastric movements on, 746 

 Hyaloplasm, 18 

 Hydenia, 1058 

 Hydrocarbons, 45 

 Hydrogels, 138 

 Hydrogen, sources of, 39 



peroxide, production in green 



plant, 110 

 effect of platinum on, 



158 



Hydrolysis of protein, 97 

 Hydrosols, 137 



properties of, 140 

 Hypermetropia, 534, 536 

 Hypoblast, 33 

 Hypoglossal nerve, 414 

 Hypoxanthine, 100 



IMBIBITION BY COLLOIDS, 149 



Iminazol, 84, 101 



synthesis of, 115 



Immunity, 1079 



Ehrlich's theory of, 1083 



Incisure, 969 



Indol, 813 



Inflammation, 1073 



Inhibition, 26 



in central nervous system, 306 

 of cord, effect of strychnine on, 347 



Inhibition of heart, 1017 

 nature of, 1017 

 in peripheral ganglia, 475 

 of reflexes, 306 

 of voluntary muscles, 339 

 Inhibitory functions of cortex, 450 



nerves, 248 

 Innervation, reciprocal. See Reciprocal inner- 



vation. 

 Inogen,_237 

 Inosite,*116 

 Insanity, 457 



Intellectual processes in brain, 457 

 Intercostal muscles, 1092 

 Internal capsule, 375, 423 



secretion, 1230-1247 

 Intestinal juice, 764 



villi, functions of, 780 

 Intestines, large, functions of, 768 



movements of, 775 

 law of, 773 

 small, movements of, 771 



peripheral nervous system 



of, 469 



secretion by, 764 

 Intraocular fluid, 516 



pressure, 517, 526 

 Introduction,, 1-9 

 Inulin, 69 



Involuntary muscle, 243-248. See Muscle. 

 influence of temperature 



on, 247 



propagation of excita- 

 bility in, 246 

 Iodine, in living mechanisms, 44 



in thyroid gland, 1241 

 Iris, functions of, 507 

 innervation of, 510 

 structure of, 505 

 Iron, excretion of, 43 

 in haemoglobin, 74 

 oxidative functions of, 43 

 sources of, 42 

 Irradiation in cord, 339 

 Irreciprocal conduction in nervous system, 302 



in synapse, 275 

 Irritability of muscle, 184 

 of nerves, 265 

 Isoleucine, 81 



Isomerism in amino-acids, 77 

 Isometric method, 197 

 Isotonic method, 197 



KERASIN, 58 



Keratin, 105 



' Kernleiter,' 281 



Keto-acids, 49 



Ketonic acids, formation of amino-acids 



from, 115 

 Ketose, 60 

 Keys, electrical, 178 

 Kidneys, function of , 1160-1213 



structure of, 1181 

 KjeldaM's method, 90, 1175 

 Knee jerk, 333, 451 



LABYRINTH, ANATOMY or, 652 



auditory, 606 



functions of, 396 

 Lactation, 1289 



