INDEX. 



1339 



Tetanus, phenomena of, 75-81, 111 ; car- 

 bonic acid evolved during, '.M ; exhaus- 

 tion of irritability from, 130 



Thermopile, various forms of, 96 



Thermotaxis, centre for, 646, 647 



Thirst, sensation of, 1048 



Thoracic duct, characters of lymph from 

 the, 400 



Thorax, effect on blood-flow of pressure 

 in the, 499, 502 



Thrombi, white, their nature, 45 



Thymus body, structure of the, 602 ; na- 

 ture and functions, 602 ; its size in in- 

 fancy, 1148 



Thyroid body, 600 ; diseases connected 

 with, 601 ; in infancy, 1148 



Thyroid-arytenoid muscles, 1077, 1078 



Thyroid cartilage, 1073 



Tigerstedt, his method of measuring car- 

 diac output, 198 



Tissue, connective, 149, 150 



Tissues not indispensable for life, 3; 

 classification of, (5; built up by the 

 blood, 13; similarity of histological 

 elements of, 39 ; contractile, 55-138 ; 

 nervous, 139-148; vascular, 149 et 

 supra; digestive, 311-423 ; respiratory, 

 424-512 ; relative proportions of, in the 

 body, 619, 620; metabolism of, 651; 

 their death gradual, 1159 



Tone, arterial, 264, 284; general, 275- 

 283 ; bulbar vaso-motor centre for, 

 280-284; centre for, in medulla, 279; 

 maintained by automatic action of 

 cord, 713 



of skeletal muscles, 713 ; due to cen- 

 tral nervous system, 714^ 



Tones, musical, fundamental and par- 

 tial, 999 



Tongue, localization of taste sensations 

 in, 1034 



Tortoise, heart-beat in, independent of 

 cardiac nerves, 243 



Trachea, effect on respiration of its clos- 

 ure, 481 



Tract, optic, course of, 785 ; ascending 

 and descending antero-lateral , 686 ; 

 cerebellar, 689 ; as to functions of, 807 ; 

 median posterior, 684 ; as to functions 

 of, 806 ; pyramidal, crossed, (58(5 ; direct, 

 687 ; relations to volition, 749, 769, 773 



Tracts, afferent, in spinal cord, 800; in- 

 ternuncial, for afferent impulses, 807 



Transudation into lymph spaces, 40(5 ; not 

 merely a filtration, 407 ; conditions de- 

 termining, 408; opposite currents of, 

 through capillary \valls, 407 



Traube-Hering curves, their origin, 507 ; 

 undulations in kidney, 528; variations 

 in cerebral blood-pressure, 831, 832 



Tricuspid valves, is-j 



Trypsin, a constituent of pancreatic 



juice, 349, 360; in the foetal pancreas, 

 1130 



Trypsinogen. an antecedent of trypein, 350 



Tube, Fallopian, 1112 



Tubules, uriniferous, epithelium of the, 

 533; work of the, 538; special sub- 

 stances excreted by, 534 



Tuning-fork for the measurement of ve- 

 locity, 67-71 



Tympanum of ear, 983; conduction of 

 sound through, 988 ; structure and re- 

 lations, 98(5; membrane of, 984; 

 muscles of the, 993 ; its connection with 

 sense of outwardness of sounds, 1021 



Tyrosin, a product of pancreatic diges- 

 tion, 360; chemical composition, 361 ; a 

 result of proteid decomposition outside 

 the body, 598 



Umbilical cord, 1134 

 arteries, 1121 ; pressure in, 1124 ; 

 venous blood in the, 1125 



vein, pressure in, 1124 



Undulations, respiratory, phenomena of, 

 498, 504 ; luminous, 891 



Unit, physiological, defined, 6 



Urari, the nature of its action, 54, 83; 

 diabetes in frogs produced by, 576 



Urea, a constituent of the blood, 48; ab- 

 sent from muscle-tissue, 93, 590; as 

 nitrogenous waste, 93, 513, 589, 593, 

 508; its relations to kreatin, 590,591; 

 its presence in the blood antecedent to 

 kidney action, 538; its action on the 

 tubules of kidney, 542 ; brought to the 

 kidneys by the blood, 589, 599; its for- 

 mation in the liver, 594 ; synthesis of, 

 595; its relation with cyanogen com- 

 pounds, 598; diminished excretion of, 

 during starvation, 621: excretion of, 

 not increased by exercise, (536; its kin- 

 ship to vegetable alkaloids, 654; a 

 constituent of amuiotic fluid, 1131 



Ureter, peristaltic contractions of, 544 



Uric acid, 59(5; chemical composition of, 

 516; relations to urea, circumstances 

 determining its appearance, 596; con- 

 stant pressure of in the spleen, 583 



Urina hysterica, 543 



Urine, composition and characters of, 

 515; normal organic constituents of, 

 51ti. 520; inorganic salts of, 517; aver- 

 age composition of, 520 ; abnormal 

 constituents of , 620, 577; secretion of, 

 524; vaso-motor mechanisms for, 525; 

 its relations to the renal circulation, 

 533; albuminous, 537; pigments of, 540; 

 discharge of, 544 ; its secretion con- 

 tinuous, 544; changes of, in the blad- 

 der,54'.t; durini; starvation. i; - Jl : sugar 

 present in diabetes, 575 ; of children, 

 characteristics of, 1148 



