'84 



INDEX. 



Urea, nitrate of, 746a 

 ,, oxalate of, 747a 

 ,, detection in solutions, 747a 

 ,, quantitative determination, 747a 

 Uric acid in the spleen, 434 

 origin in body, 440 

 , 749a 

 salts of, 750a 

 Urine, composition of, 3D3 

 characters of, 393 

 ,, quantity of constituents passed 



in 24 hours, 395 

 ,, acidity of, 395 

 ,, abnormal constituents of, 396 

 ,, secretion of, 397 

 ,, secretion, in relation to blood- 

 pressure, 398, 402 



effects of section of 



spinal cord, and of 

 nerves upon, 403 



,, ,, by the renal epithe- 



lium, 404 



,, incontinence of, 413 

 ,, of infants, 686 

 ,, pigments, 767fl 

 Urobilin, 767a 

 Uroerythrin, 767a 

 Uterus, movements of, 682 



,, changes in, after impregnation, 



673 

 ,, condition of, in menstruation, 670 



Vagus nerve, 650 



,, stimulation, 195* 

 Valerianic acid, 735a 

 Valves, auriculo-ventricular, 142 



,, semilunar, 143 



Vascular constriction and dilation, 199 

 ,, ,, effects of local, 216 



,, factors, mutual relations of, 227 

 mechanism, 115 

 Vaso-constrictor nerves, 210 

 Vaso-dilator nerves, 210 

 Vaso-motor actions, 197 



,, ,, nature of, 207 



,, centres, 212 



medullary centre, 213 



,, nerves, 199 



,, ,, course of, 212 



,, ,, of the veins, 215 



Veins, as factors in circulation, 116 

 ,, blood-pressure in, 128 

 ,, velocity of blood in, 128 

 ,, vaso-motor nerves of the, 215 

 Velocity of Blood in arteries, how mea- 

 sured, 124 

 ,, in various arteries, 



127 

 ,, ,, on what dependent, 



124 



,, in veins, 128 



,, circumstances deter- 



mining, 132 



Venous blood, colour of, 338 



,, ,, nature of, 330 



,, pulse, 174 

 Vertigo, 617 



Vibratory consonants, 660, 661 

 Vierordt's Haematachometer, 126 

 Vision, influence of yellow spot on, 531 



,, dimensions of field of, 535 



,, region of distinct, 535 



irradiation in, 536 



,, contrast in, 537 



,, binocular, 541 



,, struggle of the two fields of, 552 

 Visual areas in the retina and in the 

 brain, 523 



,, ,, in the cerebral convolu- 

 tion, 631 



Visual impulses, origin of, 511 

 Visual judgments, 549 

 Visual movements, co-ordination of, 545 

 Visual perceptions, 534 

 Visual purple, 517 

 Visual sensations, 511 



,, ,, duration of, 520 



,, ,, their relations to the 



stimulus, 521 



,, fusion and distinction 



of, 522 



Visual white, 517 

 ,, yellow, 517 



Vital phenomena of the circulation, 176 

 Vitellin, character of, 712a 

 Vocal cords, 652 



,, ,, how tightened, 654 



,, ,, ,, slackened, 654 

 Voice, 651 



,, characters of, on what dependent, 

 651 



,, breaking of, 656 

 Volkmann's Haemadromometer, 124 

 Vomiting, 290 

 Vowels, nature of, 657 



Walking, 663 



Wallerian Method, 484 



Weber's law, 521 



Weight of organs of the body, 684 



Whispering, 661 



White corpuscles, composition of, 27 



,, ,, proportion to red cor- 



puscles, 29 



,, ,, origin of, 31 



., ,, use of, 31 



Xanthin, 754a 



Yawning, 382 



Yellow spot, influence of, on vision, 531 

 Young-Helmholtz, theory of colour vision, 

 528 



Zymogen, 271 



CAMBRIDGE : PRINTED BY C. J. CLAY, M.A. & SON, AT THE UNIVERSITY PRESS. 





