900 



INDEX 



v. 



Vagina, development of, 875 

 Vago-sympathetic of frog, 248 

 Vagus escape, 'J49 

 nerve. See Pueumogastric. 

 pneumonia, 361, 814 

 Valsalva's experiment, 870 

 Valves of heart, 211. See Heart. 

 Valvulse conniventes. 453 

 Vas deferens, 817, 819 

 Vasa efferentia of testicle, 817, 819, 878 

 Vasa vasorum, 216 

 Vascular system, development of, 849 



in asphyxia, 371 

 Vaso-constrictor nerves, 299 

 Vaso-dilator nerves, 300, 306, 477 

 Vaso-motor nerves, 

 distribution of, 298 

 effect of section, 298 et seq. 

 experiments on, 305 

 influence upon blood-pressure, 303 

 stimulation fatigue, 153 

 Vaso-motor nerve-centres, 297, 671 

 nervous system, 297 et seq. 

 reflex action, 303 

 Vegetables as food, 459, 467, 469 

 Vegetable cells, 6 



protoplasmic movement in, 13, 14 

 Veins, 216 

 allantoic, 852 

 cardinal, 852, 854, 855 

 circulation in, 296 et seq. 



velocity of, 285 

 collateral circulation in, 217 

 development, 852 

 distribution, 216 

 hepatic, 855 

 iliac, 852 

 innominate, 854 

 intercostal, 854 

 jugular, 852, 854 

 lumbar, 854 



omphalo-mesenteric, 839, 849, 852, 855 

 pulmonary, 856 

 pressure in, 273 

 rhythmical action in, 296 

 structure of, 217 

 subclavian, 854 

 umbilical, 843, 852 

 valves of, 218 et seq. 

 Velocity head, 282 



pulse, 281 



Velocity of blood in arteries, 278 

 in cap'llaries, 280 

 in veins, ib. 

 of circulation, ib. 

 of ferment action, 489, 492 

 of nervous impulse, 172 

 Vena azygos, 855 , 



Vena cava, 854, 855, 858 

 Venae advehentes, 855 



revehentes, ib. 



Ventilation, 383 



Ventral cerebellar tract, 618 

 Ventricles of heart. See Heart. 

 Ventricular diastole, 232 



systole, ib. 

 Ventriloquism, 760 



Veratrine, effect of, on muscular contraction, 118 

 Vermicular movement of intestines, 531 

 Vernon, heat rigor experiment, 157 



pancreatic secretion, 496 

 Vertebrae, development of, 844 

 Verworn, Max, strychnine and fatigue, 158 

 Vesicle, germinal, 20, 825 

 Vesiculae seminales, 819 



WHITE FIBRO-CARTILAOE. 



Vibrations, conveyance of, to auditory nerve, 746 



et seq. 



Vierordt's hsematachometer, 283 

 Villi in chorion, function of, 836, 841 



of intestines, 453 



Vincent, Swale, muscle proteids, 160 

 Visceral clefts and arches, development of, 847 

 et seq. 



connection with cranial nerves, 848 

 Visceral mesoblast, 833 



pain, 727 

 Vision, 760 



angle of, 779 



at different distances, adaptation of eye to, 780 

 et seq. 



corpora quadrigemina, the principal nerve- 

 centres of, 628 



correction of aberration, 786 et seq. 

 of inversion of image, 809 



defects of, 784 et seq. 



distinctness, how secured, 811 et seq. 



duration of sensation in, 791 



estimation of the size and form of objects, SO'J- 

 811 



focal distance of, 780 



impaired by lesion of fifth nerve, 813 



single, with two eyes, 805 et seq. 

 Visual area, 689, 713 



judgments, 809 et seq. 

 Visual purple, 773, 802 

 Visual word centre, 695 

 Vital action, 326 

 Vitellin, 466 

 Vitelline duct, 867 



membrane, 825 



spheres, ib. 



Vitello-intestinal duct, 835 

 Vitreous humour, 766, 776 

 Vocal cords, 751, 757 



action in respiratory actions, 757 



approximation of, effect on height of note, ib. 



vibrations of, cause voice, 757, 758 

 Voice, 751, 758 



range of, 760 



Volkmann's hsemadromometer, 278 

 Voluntary muscle, 79 et seq. 



nerves of, 86 



Voluntary tetanus, 122, 159 

 Vomer, 848 

 Vomiting, 530 



action of stomach in, ib. 



centre, 531 



nerve actions in, ib. 



voluntary and acquired, ib. 

 Vowels and consonants, 761 



W. 



Waldeyer, stages of karyokinesis, 17 et seq. 

 Wallerian degeneration method, 164, 169, 611 

 Waller, apparatus for gas analysis, 384 



fatigue theory, 151-153 



on the electrical currents of the eyeball, 803 



variation in nerve action, 171 

 Water-hammer pulse, 288 

 Wave of blood causing the pulse, ib. 



velocity of, ib. 

 Weber-Fechner law, 716, 725 

 Weber's paradox, 129 



Weight, influence on capacity of respiration, 359 

 Whey proteid, 462 

 White corpuscles. See Blood-corpuscles, white; 



and Lymph-corpuscles. 

 White fibre-cartilage, 51 



fibrous tissue, 41 



spot, 771 



