INDEX 



421 



Synapses, 99 



Syphilis and heredity, 396 



TASTE, 143 



Tea, 175 



Teeth, preservation of, 364, 365 



Temper and heredity, 397 



Temperature maintenance, 366- 



376 



Tendons, 65 



Testes, 384, 385, 387, 388 

 Theobromin, 348 

 Thermogenesis, 368 

 Thermotaxis, 368 

 Thoracic duct, 242 

 Thrombin, 226, 227 

 Thymus, 386 

 Thyroid, 378-380 

 Tidal air, 287 

 Tissues, 40 



connective, 41, 60 



contractile, 42, 66 



epithelial, 41 



nervous, 41, 82, 88 

 Tone, 63, 64 

 Tongue, 143 

 Trachea, 279 

 Treppe, 74 

 Tricuspid valve, 249 

 Trypsin, 207 

 Twins, 393 



UNDEREATING, 358, 359 

 Urea, 35, 315 

 Ureter, 320 



Urethra, 320, 389 

 [Jrine, 320-327 

 Uterus, 388 



VAGINA, 388 

 Vagus nerve, 263 

 Valve action of synapse, 99 

 Valves of heart, 249, 250 

 Van Helmont, 30 

 Vasoconstrictors, 267 ' 

 Vasodilators, 268, 269 

 Vasomotor center, 114 

 mechanism, 266, 267 

 and bathing, 407 

 and exercise, 407 

 Veins, 229 

 Velocity of blood-flow, 232, 



233 



Venous blood, 293 

 Ventilation, 291, 292 

 Villi, 214 

 Virchow, 45 

 Vital capacity, 288, 289 



resistance, 272 

 Vitalism, 19, 400, 401 

 Vitamins, 348-353 

 Vivisection, 17, 18 

 Vomiting, 198 



WATER, 317-319, 343, 344 

 White corpuscles, 225 

 matter, 87 



ZONA pellucida, 391 



