INDEX. 



735 



Spinal cord, nerve-fibers of, 498 



classification of, 498 

 reflex actions of, 505 

 reflex irritability of, 510 

 relation of spinal nerves to, 501 

 segmentation of, 502 

 spinal nerve roots, functions of, 501 

 spino-encephalic conduction, 512 

 structure of gray matter, 494 

 structure of white matter, 498 

 tracts of, 499 

 Spirometer, 397 

 Splanchnic nerves, 617 

 Spleen, 467 



functions of, 467 



Stanton's sphygmomanometer, 345 

 Stapes, 679 

 Starch, 7 



digestion of, 148 

 Starvation, 123 

 Stearin, n 



Stereognostic area, 555 

 Stomach, 163 



movements of, 177 

 nerve mechanism of, 179 

 Suprarenal capsules, 463 

 Sweat-glands, 487 

 Sweat, influence of nerve system on production 



of, 488 

 Sympathetic nerve system, 608 



functions of the cervical portions, 616 

 functions of the lumbosacral portions, 



617 



functions of the thoracic portion, 616 

 functions of peripheral ganglia, 618 

 ganglia, relation to visceral structures, 612 

 relation to the central nerve system, 614 



Taste buds, 639 



nerve of, 638 



sense of, 638 

 Teeth, 138 

 Tegmentum, 522 

 Temperature of body, 429 



regulation of, 434 



sense, 635 



Tendon reflexes, 509 

 Tension of gases in blood, 408 



tissues, 410 

 Tensor tympani muscle, 679 



functions of, 684 

 Testicles, 692 

 Tetanus, 69 



experimental, 72 



pathologic, 72 



pharmacologic, 72 



physiologic, 71 

 Thoracic duct, 209 

 Thorax, 381 



dynamic condition of, 387 



mechanic movements of, 385 



static condition of, 385 

 Thyroid gland, 455 



effects of removal, 445 



cretinism, 446 

 Tidal air, 398 

 Tissue spaces, 205 



Tongue, 638 



Total carbon-dioxid exhaled, 413 



oxygen absorbed, 413 



respiratory exchange, 412 

 Touch, sense of, 632 

 Trachea, 378 



Traube-Hering waves, 428 

 Trochlear nerve, 584 

 Trypsin, 188 

 Tiirck, column of, 498 

 Tympanum, 677 



Upper air-passages, respiratory movements of, 



395 

 Urea, 453 



seat of formation, 453, 472 

 Uric acid, 473 

 Urine, 470 



composition of, 471 

 mechanism of secretion, 479 



influence of blood composition, 483 

 influence of nerve system, 483 



of blood-pressure, 480 

 Urination, 484 



nerve mechanism of, 485 

 Uterus, 690 



Vagina, 691 

 Vagus nerve, 606 



influence on heart, 308, 311 



seat of action, 

 Valves of heart, 265 

 Vas deferens, 693 

 Vascular apparatus, 319 



glands, 454 



hydrodynamic considerations, 322 



stream bed, 328 



nerve mechanism of, 366 

 Vaso-motor center, 371, 372 



direct stimulation, 373 



nerves, 367 



reflex stimulation, 373 

 Veins, 322 



structure and function, 322 

 Velocity of blood, 349 

 Venous circulation, 363 



pulse, 358 



Vertebral column, 47 

 Vesiculse seminales, 693 

 Villi, 214 



functions of, 216 

 Visceral muscle, 83 



functions of, 84 



properties of, 84 

 Viscosity of blood, 230 

 Vision, 649 



accommodation, 657 



astigmatism, 665 



binocular, 670 



color perception, 673 



functions of retina, 667 



hypermetropia, 664 



myopia, 663 



presbyopia, 663 

 Visual angle, 655 

 Vital capacity of lungs, 398 



