INDEX. 



939 



Vasomotor nerves to abdominal or- 

 gans, 582 



to dilator center and reflexes, 566 



to genital organs, 583 



to head, 581 



to kidneys, 770 



to skeletal muscles, 583 



to trunk and limbs, 582 



to veins, 584 



tonic activity of, 558 

 Veins, vasomotor supply <5f, 584 

 Velocity of blood-flow (see Circu- 

 lation) 



pressure in blood-vessels, 474 * 

 Venous pulse, 491 



in brain sinuses, 578 

 Venous blood-pressure, 479 

 Ventilation, principles of, 614 

 Ventricle (see Heart) 

 Veratrin, effect of, on muscle, 30 

 Vernix caseosa, 792 

 Vestibular nerve, 201 

 Vestibulo-spinal tract of spinal cord, 



171, 220 



Vision (see Eye and Retina) 

 Visual acuity, 323 

 center in cortex, 194 



Visual field, binocular, 350 



monocular, 322 

 fields, conflict of, in binocular 



vision, 353 

 purple, 318 

 Vital capacity, 600 

 Voluntary muscular contractions, 43 

 Vomiting, 672 



WALLERIAN degeneration, 117, 158 



Warm spots of skin, 260 



Water, absorption of, in stomach, 718 



excretion of, 782 

 Weber-Fechner law, 256 

 Wharton's duct, 687 

 Wirsung, duct of, 721 

 Work done by contracting muscle, 37 



XANTHIN, 61, 777 



oxidase, 779, 817 

 Xanthoproteic reaction for proteins, 



910 



ZYMOGEN, 684 

 granules, 696 



Zymoplastic substances in coagula- 

 tion of blood, 430, 432 



