T81 



Sympathetic nervous system continued. 

 ganglia of, 629 

 action of, 629 et seq. 

 co-ordination of movements by, 630 

 structure, 625 

 in substance of organs, 625 

 influence on 

 blood-vessels, 147 et seq. 

 heart, 133 



involuntary motion, 627 et seq. 

 salivary glands, 238 et seq. 

 secretion, 629 

 structure of, 625 

 Synovial fluid, secretion of, 328 



membranes, 328 

 Syntonin, 253 

 Systemic circulation. See Circulation. 



vessels, ib. 

 Systole of heart, 115 



T. 



Table of diet, 219 

 Taste, 556 



after-tastes, 562 



centre, 529 



conditions for perception of, 556 



connection with smell, 562 



impaired by injury 

 " of facial nerve, 539 

 of fifth nerve, 537 



nerves of, 540 



seat of, 556 



subjective sensations, 563 



varieties, 562 

 Taste-goblets, 560 

 Taurin, 742 

 Taurocholic acid, 280 

 Teeth, 221 



development, 226 



eruption, times of, 222 



structure or, 223 et seq. 



temporary and permanent, 221 et seq. 

 Tegmentum, 499 



Temperament, influence on blood, 89 

 Temperature, 316 



average of body, 316 



changes of, effects of, 324 et seq. 



circumstances modifying, 316 



of cold-blooded and warm-blooded ani- 

 mals, 317 



in disease, 317 



loss of, 320 



maintenance of, 329 



of Mammalia, Birds, etc., 317 



of paralyzed parts, 323 



regulation of, 319 



of respired air, 188 



sensation of variation of, 323. See 



Heat. 



Temporo-maxillary fibro-cartilage, 230 

 Tendon-reflex, 486 

 Tendons, structure of, 32 



cells of, 32 



Tenor voice, 444 

 Tension, arterial, 143 

 Tension of gases in lungs, 192 

 Tensor tympani muscle, 579 



office of, 579 

 Tesselated epithelium, 19 

 Testicle, 640 



development, 709 



descent of, 710 



structure of, 640 et seq. 

 Tetanus, 413 

 Thalamencephalon, 698 

 Thalami optici, function of, 523 

 Thermogenic nerves and nerve-centres, 



323 



Thirst, 214 

 Thoracic duct, 298 



contents, 309 

 Thymus gland, 387 



function of, 388 



structure, 387 



Thyro-arytenoid muscles, 439 

 Thyroid cartilage, structure and connec- 

 tions of, 439 

 Thyroid-gland, 389 



function of, 390 



structure, 389 

 Timbre of voice, 444 

 Tissue, adipose, 37 



areolar, cellular, or connective, 34 



elastic, 33 



fatty, 37 



fibrous, 32 



gelatinous, 35 



retiform, 35 

 Tissues, 



connective, 29 



elementary structure of, 30 et seq. 



erectile, 163 

 Tone of blood-vessels, 148 



of muscles, 490 



of voice, 444 

 Tongue, 557 



aetion of, in deglutition, 244 

 in sucking, 196 



action of, in speech, 449 



epithelium of, 560 



influence of facial nerve on, 539 



motor nerve of, 545 



an organ of touch, 561 



papillae of, 558 



parts most sensitive to taste, 560 



structure of, 557 

 Tonic centres, 498 

 Tonsils, 241 

 Tooth-ache, radiation of, sensation in, 



467 

 Touch, 550 



after sensation, 555 



conditions for perception of, 550 



connection of, with muscular 

 553 



co-operation of mind with, 555 



hand an organ of, 551 



illusions, 553 



