INDEX 



903 



Uricase, 640 

 Uricemia, 650 

 Uricolytic index, 641 

 Urine : 



acids of, 531 



amino acid, 530 



aromatic oxyacids of, 530 



chlorides of, 531 



composition, 521 



creatinine of, 529 



depression of freezing point of, 523 



hippuric acid, 530 



homogentisic acid, 531 



inorganic constituents of, 531 



nitrogenous constituents of, 523 



normal organic salts of, 523 



phosphates, 532 



physical processes involved in produc- 

 tion of, 14 



purine bodies of, 529 



rate of excretion, 643 



reaction of, 524 



skatole, 531 



solid constituents of, 525 



specific gravity of, 522 



sulphates of, 532 



total potential acidity of, 524 



urea of, 527 

 Uriniferous tubule, 507 

 Urobilinogen, 496 

 Utilization limit, 653 



Vagus, 878 



control of heart, 217 

 impulses, afferent, 222 

 Vagus center, effect of nicotine on, 226 

 location of, 222 

 tonieity of, 221 



Vagus nerve, influence on respiration, 332 

 Valine, 604, 606 



Valves, cardiac, mechanism of, 154 

 auriculoventricular, 154 

 semilunar, 155 



Van Slyke method for acidosis, 42, 44 

 Van Slyke method for amino groups, 600 

 Vascular reflex, 283 

 Varicose veins, 214 

 Vasoconstriction, 229 

 Vasoconstrictor fibers, 229 



methods of detecting, 229 

 of extremities, 233 

 of head, 233 

 of viscera, 233 

 origin of, 232 

 Vasodilator fibers, 234 



methods for detecting, 229 

 origin of, 234 

 Vasodilator nerves, 797 

 Vasomotor center: 



afferent impulses, 238, 239 



chief center, 235 



effect of H-ion of blood on, 238 



Vasomotor center Cont 'd 



hormone control of, 237 



subsidiary centers, 235 

 Vasomotor fibers, 231 



origin of, 232 

 Vasotonic impulses, 240 

 Veins, disappearance of pulse in, 205 

 Velocity constant, enzymes, 75 

 Velocity, mean lineal, 206 



pulse, 200 



Venous blood, tension of CO, in, 342 

 Venous outflow, 230 

 Venous pulse tracing, 273 

 Venous return to heart, 292 

 Venous sinus, 248 

 Ventilation of lungs, 350 

 Ventricle, curves of pressure in, 146, 148, 



151 

 Ventricles : 



conductivity tissue of, 184 



fibrillation, 195 



spread of beat in, 192, 194 

 Vignin, 578 



Viscera, blood supply of, 247 

 Visceral bloodflow, 212 

 Visceral sensitiveness, 885 

 Viscosity of blood, 140 

 Visual center, 851 

 Visual psychic areas, 854 

 Visual sensory area, 854 

 Vital activity, 14 

 Vital capacity, 300, 313 



in disease, 314 



Vital theory of urine excretion, 572 

 Vitamines, 584 

 Vividiffusion, 606 

 Volition, 786 

 Vomiting, 449 



W 



Water content of blood, 86 

 Water hammer, 



in blood pressure measurement, 133 

 Wheatstone bridge, 18 

 White crescentic line, 226 

 Wiggers manometer, 146 

 Willard Gibbs, principle of, 66 

 Word blindness, 863 

 Word centers, 862 

 Word deafness, 863 



Xanthine, 635 



Xanthine oxidase, 639 



Xanthosine, 639 



X-rays, in study of stomach, 433 



movements of stomach seen by aid of, 

 451 



Zein, inadequacy for growth, 578 

 Zymogen granules, 420, 421, 429 



