546 



INDEX 



Vasa efferentia, 506. 



Vasa recta, 506. 



Vas deferens, 507. 



Vasoconstrictor center, 338; control 

 of, 338.' 



Vasoconstrictor nerves, 337. 



Vasodilator center, 342. 



Vasodilator nerves, 341. 



Vasomotor tone, 338. 



Vegetable foods, 392. 



Vegetables, cooking of, 392. 



Vegetative organs, 74. 



Veins, 297; cephalic, 299; coronary, 

 292; hepatic, 301, 412; innomi- 

 nate, 300; jugular, 300; portal, 

 301, 412; pulmonary, 293; saphe- 

 nous, 299; structure of, 303; sub- 

 clavian, 300; valves of, 303; var- 

 icose, 333. 



Vena cava, 292, 300. 



Venous blood, 302. 



Ventilation, 342. 



Ventricle of heart, 291; functions of, 

 309. 



Vermiform appendix, 410. 



Vertebrae, 51; cervical, 53; lumbar, 

 55; sacral, 56; structure of, 52; 

 thoracic, 54. 



Vertebral artery, 296. 



Vertebral column, 3, 51. 



Vertebrata, 3. 



Vesicle, seminal, 507. 



Vessels, blood, 288; lymphatic, 260. 



Vestibule of ear, 190; nerve endings 

 in, 200. 



Vibrations, analysis of, 194; the 

 basis of sound, 193. 



Vibratories, 500. 



Villi of intestine, 409. 



Vision, 231; binocular, 251; color, 

 240; stereoscopic, 253. 



Visual angle, 238. 



Visual areas of cerebrum, 148. 



Visual axis, 239. 



Visual contrasts, 245. 



Visual defects, 226; treatment of, 

 229. 



Visual perceptions, 249. 



Visual purple, 214, 237. 



Visual sensations, duration of, 237; 

 intensity of, 235. 



Vital capacity, 360. 



Vital point, 364. 



Vital processes, 164. 



Vital spirits, 89. 



Vitelline membrane, 514. 



Vitreous humor, 218. 



Vocal cords, 493; false, 494; relation 



of, to pitch, 497. 

 Voice, 491; range of, 497. 

 Volition, 154. 

 Voluntary acts, reflex at bottom, 



154. 



Vomer, 56. 

 Vowels, 498. 

 Vulva, 512. 



Walking, 109. 



Wallerian degeneration, 143. 



Wandering cells, see Phagocytes. 



Warm-blooded animals, 483. 



Warmth spots, 182. 



Water equilibrium, 457. 



Water, proportion of, in Body, 15. 



Wax of ear, 187. 



Weber's law, 171. 



Weber's scheme of circulation, 322. 



Weeping, 210. 



Weight, maintenance of, 457. 



Whipped blood, 280. 



Whispering, 501. 



White, 240. 



White blood-corpuscles, 265. 



White of eye, 213. 



White fibrous connective tissue, 40. 



White matter, 118, 132; of cerebrum, 



146; of spinal cord, 123. 

 Windpipe, 350. 

 Work of heart, 310. 

 Work, muscular, measure of, 95. 

 Wrisberg, cartilage of, 493. 

 Wrist bones, 62. 



Xanthoproteic test, 10. 



Yawning, 368. 

 Yolk, 514. 



Young-Helmholtz theory of color 

 vision, 246. 



Zoological position of man, 2. 

 Zymogen, 422. 



