INDEX. 



721 



Tubal pregnancy. 606. 



Tube, Eustachiau, 558. 



Tuber aiiiiulare. 377. 



Ttibercula quadrigemina, 376, 450. 



development of, 668. 

 Tubes. Fallopian, 590. 



seminiferous, 594. 

 Tubules, gastric, 151. 



intestinal, 189. 



uterine, 650. 

 Tufts, of the chorion and placenta, 655,656, 



657. 



Tunica albugiiiea, of the ovary, 590. 

 Tunica vaginalis te_stis,formation of, 684. 

 Tii re It. columns of, 395. 

 Twelfth cranial nerve, 493. 

 Tympanum of the ear, membrane and 



chain of bones of, 554, 555. 

 Tyrosine, 107. 



Umbilical arteries and veins, forma- 

 tion of, 690. 

 Umbilical cord. 661. 



spiral twist of, 662. 



separation of, after birth. 705. 

 Umbilical hernia, congenital, 674. 

 Umbilical vein. 689, 690. 

 Umbilical vesicle, 636, 640, 662, 663. 



circulation of, 688. 

 Urachus. 676. 

 Urate. sodium. 117. 



in the urine. 329. 



deposits of, 336, 337. 

 Urea. 114. 



production of, from albuminous matters, 

 115. 



conversion of, into ammonium carbonate, 

 115. 



daily quantity of, 115. 



variations of, under food and exercise, 116, 

 117, 328. 



decomposition of, in fermenting urine, 340. 

 Uric acid. 45, 117. 



relations of, to urea, food and exercise, 

 118. 



in the urine, 332. 



Urinary bladder, innervation and action 

 of, 410. 



paralysis of, 411. 



development of, 676. 

 Urinary deposits, 336. 

 Urine. 334. 



physical properties of, 325. 



daily quantity of, 326. 



composition of, 327. 



reactions of, 331. 



alkalescence of, from vegetable food, 46. 



carbonic acid in, 243. 



abnormal ingredients of, 332. 



deposits in, 336. 



decomposition of, 338. 



retention and evacuation of, 110. 

 Urobiliiie. 1"2. 

 Urochrome. 101. 

 Urohematine, 102. 

 Urosacine. 102. 

 Urosiue, 102. 

 Uroxanthiiie, 102. 

 Uterus. 590. 



influence of, on other organs, 612. 



mucous membrane of, 650. 



growth of, in pregnancy, 651. 



regeneration of, after delivery, 664. 



development of. in the embryo, 685. 

 Utricle, of the internal ear, 559. 

 Uvea, 522. 



Vagus nerve. 482. 



Valve, Eustachian, 699. 



of the foramen ovale, 701. 



of Vieussens, 458. 

 Valves, cardiac and arterial. 275, 276. 



of the veins, 296. 



of the lymphatics, 321. 

 Valvulre conniventes, development of, 



673. 

 Vapor, organic, in the breath, 245 



2V 



Vapor, -watery, in the air, 240. 



in the breath, 245. 



Vascular area, in the incubated egg, 635. 

 Vascular system. 274. 



development of, 687. 

 Vas deferens. 594. 



formation of, 684. 

 Vaso-motor nerves, 500. 



influence of, on the circulation, 



origin of, 504. 



Vegetables, as food, 127. 

 Veins, 295. 



inter-lobular, intra-lobular, and hepatic. 

 174, 175. 



Vitelline, 638, 687. 



omphalo-meseuteric, 688. 



umbilical, 690. 



vertebral, 692. 



portal and hepatic, formation of, 695. 

 Vena azvgos, major and minor, formation 



of, 694. 

 Vena cava. superior andinferior, formation 



of, 692, 694. 



Vena innominata, formation of, 693. 

 Vena terminalis, of the area vasculosa. 

 636. 



disappearance of, 687. 

 Venous system, development of, 692. 

 Ventricles, of the hear 



comparative thickness of, 280. 



muscular fibres of, 281 . 



pressure of blood in, 2S4, 285. 

 Vermiform appendix, development of, 



673. 



Vernix caseosa. 671. 

 Vertebral arteries. 688. 

 Vertebral column, development of, 633, 



635. 



Vertebral veins. 692. 

 Vesicle, germi native, 585. 



disappearance of, after impregnation, 616. 

 Vesicle, umbilical, 639, 640. 



circulation of, 688. 



Vesicles, cerebral, in the embryo, 668. 

 Vesicles, pulmonary, 235. 

 Vesiculse seminaies, 594. 



development of, 684. 

 Vesicular membrane, of the Graafian 



follicle, 601. 



Vestibule, of the internal ear, 558. 

 Villi, of the intestine, 195. 



of the chorion, 64-'\ 047. 

 Visceral folds, in the embryo, 677, 690. 

 Vision. 519. 



localization of, in angular convolution, 

 439. 



disturbance of, from lesion of optic nerves 

 and tracts, 453. 



function of crystalline lens in, 524. 



physiological conditions of, 537. 

 Vision, double, outside the point of fixation, 



from pressure on the eyeball, 548. 



from paralysis of patheticus nerve, 458. 

 Visual impressions, 550. 

 Visual perception, general laws of, 549. 

 Vitelline arteries. 638. 

 Vitelline circulation. 687. 

 Vitelline membrane. 584. 

 Vitelline spheres. 618! 

 Vitelline veins, 638. 

 Vitellus. 584. 



segmentation of, 617. 



plastic and nutritive, 624. 

 Vitiation of the air, by respiration. 246. 

 Vitreous body, of the eyeball, 522, 523. 



development of, 669. 

 Vocal chords, action of, in respiration, 238. 



in the voice, 486. 

 Vocalization. 486. 



control of. by medulla oblongata, 444. 

 Voice, formation of, 444, 486. 

 * connection of pneumogastric nerve with, 

 486. 



of spinal accessory nerve, 491. 

 Volition and perception in the brain, rapid- 

 ity of. 371. 



