INDEX. 



1051 



Tissues, embryonic, growth of, 924 

 glycogen in the, value of, 270 

 influence of activity of, on body-temperature, 



578 



muscle. See Muscle-. 

 nerve-, specific gravity of, 732 

 temperature of different, variations in, 577 

 thermogenic, 597 

 Tissues and the blood, interchange of O and COs 



between the, 527 



and fluids of the body, importance of the in- 

 organic salts to the, 294 

 and organs, effect of starvation upon, 301 

 Tone, musical, differential, 831 

 fundamental, 815, 827 

 sensation of, production of, 825 

 "Tone" of muscle-tissue, 309 

 Tones, musical, 832 



combinational, 831, 832 

 complex, 827 



composite, analysis of, by the ear, 828 

 concordant and discordant, 831 

 factors determining, 831 

 production of beats in, 830 

 Tongue, nerves of the, sensory, 852 

 papillae of the, 851, 852 



sensitiveness of, to stimuli, 854 

 taste-perception by the, points of, 854 

 " Tonographs," 419 

 Touch, illusions of, 840 

 pressure sensibility to, 836, 837 

 sense of, 836-840 

 Touch-corpuscles, 836 



Touch -sensation and stimulus, relations of, 836 

 importance of the nerve end-organ in, 839 

 localization of, 838, 839 

 Tracts, pyramidal, size of, 695 

 Transfusion, blood, danger attending, 362 

 Transmission, hereditary, 22, 28, 931-942 

 Traube-Hering waves, 492 

 Tremors, muscle, 124 

 Trichlormethane, 977 

 Trimethylamine, 985 

 Trioses, 1001 

 Trypsin, 231, 239-241 



extracts, methods of preparing, 240 

 Trypsinogen, 176, 240 

 Tryptophan, 1015 



Tubules, uriniferous, histology of, 189, 190 

 Tympanic membrane, 809 



as an organ of pressure-sense, 826 

 function of, 815 



perforation or extirpation of, effect of, 815 

 vibrations of, 815, 820 

 Tympanum, the, 808 

 Tyrosin, 242, 1011 



UNITS, calorimetric, 584 



Urates, deposition of, in the kidneys, by ligation 



of ureters, 192 

 Urea, 274, 991 



biuret reaction of, 992 



combustion-equivalent of, 303 



derivation of, 205, 206, 274-276 



elimination from urine of, 192 

 in sweat, 275 

 process and rate of, 195 



formation of, in the liver, 271, 272, 275 



in milk, 202, 275 



in sweat, 199, 281 



in the body, 992 



in the urine, 274 



preparation and properties, 991, 992 



quantity of, eliminated, 274 

 Ureter, muscle-tissue of the, contraction-wave 



of, 309 

 Ureters, movements of, 327 



Urethra, the, 886 

 Urination. See Micturition. 

 Urine, accumulation of, in the bladder, 328 

 amount secreted, 191, 274 

 color of the, 191, 273 

 constituents of, 191, 274-280 

 conjugated sulphates, 279 

 creatinin, 278 

 hippuric acid, 279 

 urea, 274 

 uric acid, 277 

 water and salts, 280 

 xanthin bodies, 277 

 creatinin in, 278, 279 



elimination of urea and related bodies of, 192 

 fermentation of the, ammoniacal, 956 

 hippuric acid of, 279 

 injecting the, into the bladder, mechanism of, 



327 



lactates in human, presence of, 278 

 phosphatic coating of, as a sign of pregnancy, 



968 



reaction of, 273, 274, 280 

 salts of, inorganic, 280 

 secretion of, 191-193 

 specific gravity of, 191, 273 

 sulphur in, form eliminated, 279 

 urea in the, 274 

 uric acid in, 272, 273, 277, 278 

 Urobilin, 1015 

 Uterus, the, 895 

 changes in the, during menstruation, 896, 897 



in early gestation, 909, 910 

 entrance of spermatozoa into, mode of, 903 



VAGINA, the, 900 

 Vagus, the, 463 



stimulation of the, results of, 568 

 Valve, auriculo-ventricular, 400 

 Valve-play, cardiac, method of recording, 423- 



425 

 Valves, heart-, mechanism of, 400-404 



semilunar, mechanism of, 402-404 

 " Valvulae conniventes," 254 

 Vas deferens, the, 886 

 Vaseline, 975 



Vaso-constrictor centre, bulbar, 489-492 

 Vaso-motor centre, bulbar, 489 



centres, relation of cerebrum to, 490-493 

 cerebral, 495 

 spinal, 490 

 reflexes, 492 



spinal, discovery of, 490 

 Vein, wounded, entrance of air into a, danger 



of, 389 

 Veins, blood-flow in, subsidiary forces assisting 



the, 387 



blood-pressure in, causation, 386 

 blood-speed in the, 393 

 coronary, closure of the, results of, 476 

 great, changes in the, in the open chest, 407 



contraction of the, rhythmic, 407 

 valves of the. See Valves. 

 Ventilation, principles of, 547 

 Ventricle, changes in the, from vagus excita- 

 tion, 453 



force of the contraction, 453 

 periodicity of contraction, 453 

 the diastolic pressure, 454 

 the output and input, 454 

 the ventricular tonus, 454 

 the volume of blood, 454 

 closure of the, two periods of complete, 425 

 the auricle a mechanism for the quick-charg- 

 ing of, 428 



Ventricles, changes in size of, during the heart- 

 beat, 404, 405 



