INDEX. 



683 



Semilunar valves, 307, 308 

 Seminiferous tubules, 625 

 Senile atrophy, 84 

 Sensation, paralysis of, 464 

 Senses, 527 



special, trigeminus and, 518 

 Sensibility, general, 527 



recurrent, 483 



tactile, 527 



Sensorimotor area, 509, 510 

 Sensory area, 509, 12 



fibers, recurrent,' 483 

 Septum, auricular, 308 



ventricular, 308 

 Serous glands, 174 



membranes, 333 

 Serrati muscles, 370, 371 

 Serum, 108 



bactericidal property of, 300 



blood, 294 



globulicidal action of, 300 

 Serum-albumin, 108 

 Serum-globulin, 110 

 Sharpey's perforating fibers, 43 

 Shock, reflex action and, 480 

 Shrapnell's membrane, 602 

 Sight, 563 



long, 572 



old, 572 



sense of, 541 

 Silicon, 86 



Singing, resonance chamber in, 395-406 

 Size, appreciation of, 583 

 Skatol, 266 



Skatoxyl in urine, 439 

 Skein, 29 



Skeletal muscle, 61 

 Skiascopy, 581 

 Skin, 413 



care of, 419 



excretion of, 418 



functions of, 418 



nerves of, in respiration, 388 



protection furnished by, 418 



respiration by, 419 



sensation in, 418 



temperature and, 419 

 Smell, sense of, 530 



acuteness of, 535 

 Snake-poison, 113, 114 

 Soap, 100 



emulsification and, 237 



theory of fat-absorption, 263 

 Sodium carbonate, 83 



chlorid, 80 

 in osmosis, 81 



glycocholate, 247 



phosphate, 82 



sulphate, 83 



taurocholate, 247 

 Solar spectrum, 283, 587 

 Solitary glands, 226 



Soluble starch, 96 



Solution theories of fat-absorption, 263 

 Somatopleure, 659 

 Sommerring's foramen, 548 

 yellow spot, 548, 553, 577 

 Sonometer, 622 

 Sonorous bodies, 616 

 Sound conduction through skull bones, 



618 



definition of, 616 

 Sounds, 620 

 Sound-waves, 616 

 Spectroscope, 283 

 Spectrum, 283, 587 

 Speculum, aural, 600 

 Speech, 389, .393 

 Speech-center, 511 

 Spermatoblasts, 625 

 Spermatogenesis, 625 

 Spermatoxin, 301 

 Spermatozoa, 625 

 passage of, 652 



Sphenopalatine ganglion, 520 

 Sphincter antri pylorici, 194 

 internal, 227 

 pupillse, 545 

 pyloricus, 192 



movements of, 201 

 vesicae, 429 

 Sphygmograph, 327 

 Sphygmometer, 322 

 Spider-cells, 73 

 Spinal accessory nerve, 525 

 columns, 471 

 cord, 468 



as nerve-center, 478, 480 

 conduction-paths in, 477 

 enlargements of, 468 

 fissures in, 471 

 functions of, 477 

 gray matter of, 473 

 minute structure of, 472 

 nerve- cells of, 474 

 reflex action of, 478 

 section of, 471 

 special centers of, 481 

 tracts of, 473 

 white substance of, 472 

 ganglia, 476 



functions of, 483 

 nerves, 475 

 functions of, 482 

 in respiration, 388 

 Spiral canal of ear, 608 

 Spirem, 29 

 Spirits as food, 157 

 Splanchnopleure, 659 

 Spleen, 335 . 



contraction and expansion of, 338 

 corpuscles and, 338, 339 

 during digestion, 337 

 enzymes and, 339 



