1090 



INDEX OF SUBJECTS. 



Typhoid fever, state of blood in, 186, 191. 

 Tyrosine, derived from protein-compounds, 



U. 



Ulceration, nature of, 567. 



Umbilical Cord, structure of, 994, 995. 



Vesicle, 991,994. 



Vessels, 995-999. 



Unconscious activity of the Cerebrum, 784, 

 790-792. 



Union of cut surfaces, immediate, 561 ; by 

 adhesion, 562. 



Unity, Specific, of Human Races, 1038-1042. 



Uraemia, 599, 600. 



Urea, its chemical composition and properties, 

 81; sources of its production in the living 

 body, 82-83 ; amount of, ordinarily excreted, 

 601, 602; variations in quantity of, 602- 

 605; presence of, in sweat, 612. 



Uric Acid, its chemical composition and pro- 

 perties, 83-86 ; sources of its production in 

 the living body, 86, 87; amount of, ordina- 

 rily excreted, 601, 602 ; variations in quan- 

 tity of, 86, 602, 605 ; circumstances affect- 

 ing solubility of, 85, 86, 607, 608. 



Uric x Oxide, 92, 93. 



Urinary Bladder, contraction of, 410, 411; 

 development of, 1002, 1004. 



Excretion, general purposes of, 80, 113, 



599; metastasis of, 578, 579 ; see Urine. 



Organs, development of, 1001-1003. 



Urination, act of, 410, 411, 695. 



Urine, secretion of, 599 ; excrementitious cha- 

 racter of, 599, 600 ; physical properties of, 

 600 ; quantity of, 601 ; specific gravity of, 

 601; composition and properties of, 601, 

 602; differences of, with age, 602; indi- 

 vidual components of, 80-93, 602-604; in- 

 fluence of diet upon, 604, 605 ; inorganic 

 constituents of, 605-607 ; acid reaction of, 

 607-608; alkaline reaction of, 608, 609; 

 eliminating agency of, 609, 610; influence 

 of diuretics on, 609, 610 ; incontinence of, 

 702, 846. 



Urine-Pigment, 92. 



Uro-erythrine, 92. 



Uro-glaucin, 92. 



Uroxanthin, 91. 



Uterus, muscular substance of, 310. 318; de- 

 velopment of, during pregnancy, 978 ; em- 

 bryonic development of, 1003; inherent 

 motility of, 130-132; action of, in parturi- 

 tion, 979, 980 ; reflex action of, 979 ; subse- 

 quent fatty degeneration of, 553, 980 note; 

 rudimentary, of male, 1003. 



Vagus Nerve ; see Pneumogastric. 



Valves of Heart, 475; sounds produced by 

 tension of, 476, 477. 



Vapor, aqueous absorption of, 446, 447, 534 ; 

 exhalation of, 532, 533. 



Variation, individual, 1029, 1030, 1036. 



, spontaneous, tendency to, 1036, 1037. 



Varieties of Man, their essential conformity in 

 structure, 1030-1038; in physiological his- 

 tory, 1038, 1040; in psychical endowments, 



1040-1041; in languages, 1041, 1042 (see 

 Races). 



Vasa lutea, 992 note. 



Vascular Area, 991 ; formation of vessels in, 

 165, 299. 



Layer of Germinal membrane, 990, 991. 



Glands, 455; see Spleen, Suprarenal, 



ThymuSi and Thyroid bodies. 



Vegetable substances adapted for Human food, 

 375-381 ; their dietetic uses, 381-383. 



Vegetables, movements of, 130. 



Veins, movement of Blood in, 497-500; struc- 

 ture and properties of, 497,498; causes of 

 motion of blood in, 498,499; influence of 

 gravity on, 499, 500; effects of rieficient toni- 

 city on, 499. 



Vena Portae, distribution of, in liver, 583, 584; 

 blood of, 181, 182. 



Vena? Azygos, 996. 



Venous and Arterial Blood, differences of. 178- 

 181. 



Ventilation, effects of deficient, 538-546. 



Ventricles of Heart, movements of, 472, 473 ; 

 relative thickness of, 474, 475; capacity of, 

 475 ; sounds produced by, 476-477 ; quantity 

 of blood propelled by, 478, 479; force of 

 propulsion by, 479, 480. 



Vertebra, typical, 1006-1007. 



Vertebra?, cranial, 1007, 1008. 



Vertebral Column, first indications of, 990; 

 subsequent development of, 1005. 



Vertebrata, distinguished by Intelligence, and 

 by possession of Cerebrum, 644; subser- 

 viency of entire organism to Nervous System 

 in, 645. 



Vesicles of evolution of Spermatozoa, 954. 



Vesicula prostatica, 1003. 



Vesicular nervous substance, 338-340. 



Vessels, Sanguiferous; see Arteries, Capillaries, 

 and Veins. 



Absorbent; see Lacteals and Lymphatics. 



Vestibular cavity of ear, 894, 904. 



Viability of Foetus, 984 ; relative, of Male and 

 Female, at different ages, 1015, 1016. 



Villi, Intestinal, 232, 239; structure and action 

 of, 439-442 ; rhythmical movements of, 440. 



ofChorion, 974; of placenta, 975, 976. 



Virility, protracted, 956. 



Visceral system ; see Sympathetic System. 



Vision, sense of, 873-893 ; special use of, in 

 guiding locomotive actions, 723, 724 ; optical 

 conditions of, 873-877; defective, 877; 

 nervous apparatus of, 878-880 ; limits of, 

 8S2 ; mental participation in, 882, 890 ; con- 

 nection of, with touch, 882 ; erect, 883, 884; 

 single, with two eyes, 884, 885; appreciation 

 of solid forms by, 885-887 ; of distance, 887, 

 888; of size, 888, 889; persistence of im- 

 pressions, 890, 891 ; complementary colors, 

 891 ; other modifications of color, 892 ; want 

 of power to distinguish colors, 892; vanish- 

 ing of images, 893; representation of retina 

 itself, 893. 



Vital Capacity of lungs, 521-522 



Force, its agency in the living body, 119 ; 



conditions of its exercise, 140-144; its re- 

 lations to Physical Forces, 143-146. 



Vitellin, 57. 



Vitelline vesicle and duct, 990, 991, 994. 



vessels, 991, 992. 



Vitellus of ovum, 95S ; segmentation of, 988, 

 989. 



