INDEX. 



929 



Urea, relations to cyanogen compounds, 464 



synthesis of, 406, 462 

 Uric acid, 405, 462, 899 



salts of, 900 

 Urine, 404 



abnormal constituents of, 409 

 albumin, 410 

 sugar, 410 



acidity of, 409 



amount of, 408 



composition of, 409 



ferments in, 408 



general characters of, 404 



hippuric acid in, 406 



inorganic salts in, 406 



non-nitrogenous constituents of, 407 



normal organic constituents of, 405 



pigments, 481, 915 



reaction of, 409 



relations of secretion of, to food and 

 drink, 425 



secretion of, 410 



glornerular, 420 



specific gravity of, 405 



urea in, 405 



uric acids in, 405 



amount of, in, 405 

 Urobilin, 915 

 Uroerythrin. 915 

 Uterus, 834 



os uteri, 835 



structure of, 833 

 Utricles of ear, 797 



T7AGINA, 834 

 V Vagus nerve, 603 

 Valerianic acid, 889 

 Various forms of stimuli, 58 

 Vascular mechanism, 133 

 Vas deferens, 836 



Vaso-constrietor fibres, course of, 218 

 nerves, 124 



-dilator fibres, course of, 220 



-motor actions. 2 1 1 



effects of, 220 

 Veins, blood- pressure in, 137 



circulation in, rapidity of, 154 



vasomotor nerves of, 23 1 

 .Velocity of blood in arteries, 150 

 in capillaries, 154 



of the pulse wave, 154 

 Venous pulse, 190 



sinuses, 734 



Vertigo, phenomena and causation of, 647 

 Vesicuke seminales, 837 

 Vibrating tuning-fork with Despretz signal, 



70 



Vierordt heematachometer, 153 

 Vision, 759 



Vision, binocular, 781 



in man, apparatus of, 691 

 region of distinct, 777 

 Visual field, 689 



impulses, origin of, 760 

 judgments, 786 



of distance, 786 

 of size, 786 

 of solidity, 787 



movements, coordination of, 784 

 perceptions, 776 



contrast of, 778 

 purple, 764 

 sensations, 689, 759 

 white, 764 

 yellow, 764 

 Vitellin, 873 

 Vitreous body, 744 

 Vocal cords, 821 



movements of, 823 

 slackening of, 824 

 tightening of, 824 



Volitional impulses in the cord, 684 

 Volkmann's hsernadromometer, 151 

 Voluntary movements, 661, 679 



action of, on the lower animals, 662 

 Vomiting, 299 



WATERY vapor, exhalation of, 344 

 Wave, contraction, 79 

 White blood-corpuscles, 43 



chemical examination of, 45 



migration of, 48 



movements of, 47 



nuclei of, 44 



number of, 44 



origin of, 47 



proportion of, to red, 44 



size of, 44 



structure of, 44 



transformation into red, 49 



work of, 47 



White matter, 97, 128 

 Willis, circle of, 733 

 Work done by heart, 175 



VANTHIN, 904 



xV Xanthoproteic test for proteids, 28 



YOUNG-HELMHOLTZ theory 

 sensations, 772-775 



of color 



LA 



, zone of, 744 

 Zona pellucida, 841 

 spongiosa, 535 

 Zymogen, 275 



59 



