552 



G ENEMA L IX J) EX. 



Urethra, ii. 443 



structure of, ii. 448 

 Qric acid, formation of, i. 338 

 in the liver, i. 322 

 in the spleen, i. 333 

 in muscles, ii. lt>7 

 molecular structure of, i. 554 

 occurrence "t', i. 338 

 origin of, in birds, i. 557 



in mammals, i. 338, 556 

 preparal ion of, i. 555 

 proper! ies of, i. 555 

 Urinary bladder, innervation of, i. 392 

 movements of, i. 390 

 pigments, origin of, from haemoglobin, i. 45 

 se< retion. normal stimulus for, i. 255 

 relation of, to the blood-flow through the 

 kidney, i. 253 

 Urine, acidity of, after meals, i. 290 

 composition of, i. 250, 334 

 et In real sulphates of, i. 572 

 secretion of, i. 251 

 Uriniferous tubules, secretory function of, i. 

 252 

 -t met ure of, i. 250 

 Urobilin, i. 57 1 

 1 'terns, ii. 1 13, 15<> 

 Utri cuius of the internal ear, ii. 373 



Vagina, ii. 443, 162 



Vagus, anabolic action of, on the heart, i. 166 

 anatomy of, in the dog, i. 159 

 cardiac branches of, i. 159 

 central path of the afferent fibres in, ii. 236 

 etl'eet on the heart, nature of, i. 166 

 gastric branches of, i. 381 

 inhibition, dependence of, on the character 



of the stimulus, i. L65 

 intestinal branches of, i. 385 

 nerve, fatigue of. ii. 96 



pulmonary branches of, i. 465 

 rate of conduction in, ii. 90 

 relation of, to apncea, i 442 

 respiratory function of, i. 459 

 pneumonia, i. 166 

 secretory fibres ,.f. to the pancreas, i. 232 



to the stomach, i. 239 

 stimulation, auricular effects of, i. 164 

 effect of, latent period of, i. 162 

 on the heart, i. L52, 163 

 on the ventricle, i. L62 

 Valsalva's experiment, i. 152 



sinuses, i. Ill 

 Valves, auriculo ventricular, i. 108 

 of lymphatic vessels, i. 146 

 .semilunar, i. 110 

 Valvuhe conniventes, value of. in absorption, i. 



:;n 

 Variation of the offspring in reproduction, ii. 



500 

 Variations, somatic, classification of, i. 197 

 Vas deferens, ii. 1 17 

 Yasa deferentia, ii. I !•"> 



efferentia of the testis, ii. 1 17 

 Vaseline, i. 531 



Vaso-constrictor centre, rhythmical activity of, 

 i. -.'(il. 151 

 nerves, discovery of. i. 19.'! 

 Vaso-dilatoT nerves, discovery of. i. mi 

 Vaso-motor centre, medullary, i. 198 

 centres, spinal, i. lii!» 

 sympal be tic, i. '.'on 

 nerves, anatomy of. i. 198 

 methods of investigating, i. 195 

 of the brain, i. 203 

 of the cranial vessels, ii. 2*6 

 of the generative organs, i. 208 



Vaso-motor nerves of the head, i. 204 

 of the heart, i. 206 

 of the intestines, i. 206 

 of tin- kidneys, i. 207, 256 

 of the limbs, i. 209 

 of the liver, i. 206 

 of the luugs, i. 205, 466 

 of the muscles, i. 2 in 

 of the pancreas, i. 207 

 of the portal system, i. 209 

 of the salivary glands, i. 222 

 of tin- spleen, i. 207 

 of the tongue, i. 205 

 of t he veins, i. 195 

 special properties of, i. 197 

 reflexes, i. 201 

 through the vagi, i. 172 

 Vegetable food.-, composition of, i. 278 



proteids, i. 577 

 Veins, ethct of compression of, on lymph forma- 

 tion, i . 72 

 entrance of air into. i. 97 

 rate of flow in. i. in] 

 vaso-motor nerves of, i. 209 

 Velocity of blood-flow, i. 99-101 

 Vense Thebesii, i. 184 

 Veno-motor nerves of the limbs, i. 209 

 Venous blood-flow, effect of the auricles on, i. 

 L37 

 circulation, i. 95, 96 

 pressure, i. 91, 94 

 pulse, respiratory, i. 96 

 Ventilation, principles of, i. 439 

 Ventral nerve-roots, number of fibres of, ii. 230 

 Ventricles, independent rhythm of, i. 152 

 of Morgagni, ii. 422 

 of the hrain. capacity of, ii. 271 

 work done by, i. 106, 107 

 Ventricular hands, ii. 422 

 cycle, analysis of, i. 133 

 diastole, duration of. i. 123 

 pressure-curves, analysis of, i. 128 

 pressures, i. 125 

 systole, duration of, i. 123 

 Veratria, action of, on coagulation of muscle- 

 plasma, ii. 164 

 on muscular contraction, ii. 129. 137 

 on nerves and muscles, ii. 60 

 effect of. on muscular contraction, ii. 128 

 Vernix caseosa, i. 258 

 Vessels of Thebesius, i. 186 

 Vertigo in diseases of the ear labyrinth, ii. 406 

 Vestibular root of the auditory nerve, central 



path of. ii. 237 

 Vestibule of the bony labyrinth, ii. 371 

 Vibrations of the tympanic membrane, ii. 370 

 transmission of, through the labyrinth, ii. 

 :;7<i 

 Villus, intestinal, structure of, i. 318 

 Viscero-motor nerves to the intestines, i 385 

 Viscosity of irrigating media for the heart, i. 



191 

 Vision, binocular, ii. 356 

 far-point of, ii. 312 

 indirect, ii. 341 

 mar-point of. ii. 312 

 pseudoscopic, ii. 357 

 sterescopic, ii. 357 

 Visual ana of the cortex, ii. 253 



impulses, place id' origin of, in the retina, ii. 



327 

 judgments of distance, ii. 348 

 of size, ii. 350 



and distance, ii. 354 

 purple, i. 575; ii. 330 



adaptation of the eye by. ii. 326 

 sensation, intensity of, ii. 359 



