1050 



INDEX. 



Sweat-nerves, 199 



Sweating, profuse, cause of, 200 



Sympathetic pains, 844 



vibration, 829 

 Symphyses, 855 

 Syndesmoses, 855 

 Synovial fluid, 855 

 Synthesis, 962 



proteid, experiments, 1021 

 Syntonin, 230 



Syphilis, transmission of, 936 

 Systole, arrest of, from vagus stimulus, 456 



auricular, 370, 396, 422, 427 



ventricular, 370, 396, 399, 415 

 Systole and diastole, auricular, relative duration 



of the, and of the pause, 416 

 time relations of the, 428 



TASTE, sense of, 851 



cortical centre for the, 696 

 Taste-buds, structure of, 851 

 Taste-perceptions modified by sight and smell, 



852 



Taste-sensation, contrasts of, 854 

 destruction of, 854 

 intensified by mastication and swallowing, 



852 



primary, 853 

 sensitiveness of, 853 

 Taurin, 951, 986 

 Tea, physiological effect of, 297 

 Teeth, tartar on the, 968 

 Telluride, methyl, 978 

 Temperature, body, 575-604 

 abnormal, 580 

 conditions affecting, 577 

 conduction of, from part to part, 576 

 constant, defined, 581 

 diminished, defined, 58 

 dissipation of, 584-588, 592 

 effect of, on respiratory quotient, 546 

 evolution of, 581, 582 

 expenditure and income of, 581-584 

 increased, defined, 581 

 influence of, on heat-dissipation, 594 



on the volume of gases respired, 540 

 mechanism of, 597, 601 

 of animals, methods of taking the, 575 

 of different regions of the body, 576 

 of the new-born, 577 

 origin of, 302 



post-mortem rise of, 145, 604 

 production of, 302, 584, 588, 589 

 regulation of, 580 

 rise and fall of, 576, 577 

 specific, 948 



effect of on conduction, 93 

 on muscular contraction, 127 

 on elasticity of muscle, 105 

 on the development of rigor, 145 

 on the irritability of muscle and nerve, 65 

 on the reaction of enzymes, 219 

 external, changes in, effect on irritability and 

 conductivity of nerve-fibres, 614, 615 

 effect of, on the respiratory quotient, 546 



on the sweat-glands, 200 

 influence of, on heat-dissipation, 594 

 on heat-production, 591 

 on the volume of gases respired, 540, 541 

 upon the respirations, 566 

 upon the respiratory rate, 534 

 reactions produced by, 603 

 sense-perceptions of, 840-842 

 variations in, on body-metabolism, 300 

 on the oxidation of non-proteid material 



in the body, 300 

 of blood of the brain, 736 



Temperature of expired air, 518 

 Temperature-sense of the skin, 674, 840-842 

 Tension, muscular, effect on the extent and 



course of contraction of, 108 

 Tessla, experiment of, on the effect of rapid 



alternations of electric currents, 58 

 Testes, embryonic, structure of, 885 

 Testicular extracts, effect of injections of, on 



the neuro-muscular system, 901 

 Testis, the, 885, 886 



internal secretion of, 211 

 Tetanus. 65, 73 



closing, Wundt's, 52, 68, 123 



complete, conditions necessary to effect, 122 



continuous, causation, 123 



duration of contracture of, 122 



effect of double excitation on, 118-120 



of frequent excitations to produce, 114, 116 



effect of gradually increasing the rate of ex- 

 citation, 121 



effect of rapid excitations to produce, 117, 118, 

 122 



explanation of the great height of contrac- 

 tions in, 118-120 



height and strength due to intensity of stimu- 

 lus, 123 



incomplete, effect of frequent stimuli to pro- 

 duce, 115 



and contracture, development of, by indi- 

 rect stimulation, 117 



intensity of, relative, and single contractions, 

 122 



method of exciting, by breaking induction- 

 shocks, 121 



number of excitations required to produce, 121 



opening, Eitter's, 52, 68, 123 



production of, factors in the, 121 



secondary, 140 



summary of the effects of rapid excitation, 121 

 " Tetanus muscles," 122 

 Tetramethylene-diamine, 986 

 Thein, 996 

 Theobromin, 996 

 Theophyllin, 996 



Thermo-accelerator centres, 599-601 

 Thermogenesis, 597 

 Thermolysis, 597, 601 

 Thermopile, the, 133 

 Thermopolypncea, 550 

 Thermotaxis, 597, 602-604 

 Thiocyanide, potassium, 986 

 Thirst, sense of, 845 

 " Thiry-Vella fistula," 246, 321 

 Thorax, 505 



inspiratory changes in form of the, 506- 



muscles of the, 512 

 Thrombin, 218, 355 

 Thrombosin, 356 

 Thrombus (blood), 358 

 Thyreo-antitoxin, 210 



Thyroid extracts, therapeutic value of, 208, 209; 

 901 



glands, influence on growth-changes of the 

 body of, 737 



secretions of the, internal, 207-210 

 Thyroidalbumin, 210 

 Thyroidectomy, results following, 208 

 Thyroids, 207,' 208 



function of the, 208, 209 

 Thyro-iodin, 209, 953 

 "Tidal air" (respiration), 534 

 Tissue differentiation, 22, 23 

 Tissue-proteid, 285 

 Tissue-respiration, 530 

 Tissues, absorption-capacities of, for O, 530- 



death of the, 929 



effect of depriving, of blood, 73 



