INDEX. 



977.^ 



PAGE 



Venereal orgasm, in the male 889 



in the female 891 



Venereal sense , 754 



Venoms, absorption of 319, 327, 35S 



Venous sinuses 95 



Ventilation of hospitals, prisons, etc 142 



Ventricles of the heart 36 



comparative capacity of right and left 36 



comparative thickness of right and left 88 



shortening and elongation of 42 



Venules, or venous radicles 93 



Verheyn, stars of 401 



Vermiform appendix 288 



Vernix caseosa ~ 363, 916 



Vertebra?, first appearance of. 914, 915 



Vertebral arteries, development of 932 



Vertebral column (see Spinal column) 915 



Vertebral plates 913, 915 



Vertigo 718 



Vesiculse seminales 882 



development of 928 



Vessels, coagulation of the blood in 27 



Vestibule of the ear 822, 842 



Vibriones 855 



Villi of the small intestine 261, 302 



development of . 920 



Villi of the vitelline membrane 901 



Villi of the amnion 901 



Villi of the allantois 901, 905 



Villi of the chorion 905 



Villi of the placenta 911 



Vinegar 190 



Visceral arches 922 



Visceral clefts 922 



Visceral plates 914, 916, 920 



Vision, physiological anatomy of the organs of (see 



Optic nerves and Eye) 767 



area of 785, 791 



laws of refraction, dispersion, etc., bearing upon 



the physiology of 785 



refraction by lenses 787 



myopic 788 



hypermetropic 789 



presbyopic 789 



formation of images in 791 



demonstration of the fact that the layer of rods 



and cones is the seat of visual impressions 791 



area of distinct .- , 792 



blind spot in the retina 792 



mechanism of refraction in 793 



astigmatic 794 



movements of the iris in 796 



accommodation in 798 



through a small orifice, like a pinhole 801 



erect, although the images on the retina are in- 

 verted 801 



binocular 802 



double 802 



corresponding points on the retina in. . 802, 803, 810 



horopter of 803 



monocular 804 



estimation of distance, the form and solidity of 



objects, etc 804 



with the stereoscope 805 



binocular fusion of colors 805 



duration of luminous impressions in 806 



fusion of colors in 806 



irradiation in 806 



accidental areola? in 807 



62 



PAGE : 



Vision, development of the organs of 918 



Vital capacity of the lungs 188 . 



variations in, with stature 138 



Vital point 727 



Vitelline 177 



Vitelline circulation 931 



Vitelline membrane of the ovum 870 



disappearance of, after fecundation 901 



villosities of. 901 



Vitellus 870 



deformation and gyration of 897 



bright appearance of, after fecundation 897 



formation of the polar globule of. '897 



formation of the nucleus of 897 



segmentation of 896, 897 



Vitreous humor 782 



hyaloid membrane of 782 



in the embryon 782 



blood-vessels of 782 



refraction by. 793 



Vocal chords 116, 550 



action of, in phonation 555 



Vocal registers 558 



Voice and speech 549 



Voice, mechanism of the production of 558 



action of the vocal chords in 555 



variations in the quality of 555 



varieties of 556 



in boys 556 



range of 556 



action of the accessory organs of 557 



action of the trachea in 557 



action of the larynx and epiglottis in 558 



action of the pharynx in 558 



action of the mouth in 558 



action of the nasal fossae in , 558 



action of the tongue in 558 



action of the velum palati in 558 



different registers of 558 



influence of the spinal accessory nerve upon 629 



influence of the superior laryngeal branches of 



the pneumogastrics upon 651 



Voluntary muscular tissue (see Muscular tissue) 528 



Vomiting, mechanism of 256 



Vowels , 560 



Vowel-sounds, mechanism of 561 



Wagner, spot of 870 



Wandering cells of the cornea 771 



Water, functions of, in the blood 21 



functions of, in alimentation 184, 191 



quantity of, necessary to nutrition 191 



quantity of, eliminated by the organism 191 



absorption of, by the lacteals 314 



absorption of, by the skin 315 



condition of, in the economy 490 



general functions of 490 



table of quantities of, in different tissues 491 



origin and discharge of 492 



Watery vapor, exhalation of, by the lungs 153 



Webster, brain of 70S 



Weight, appreciation of 751 



Wharton, duct of 208 



gelatine of 906 



Whey 871 



Wisdom-teeth 201 



Wolflian bodies 913 



structure of 927 



time of disappearance of, in the female 928 



