884 



INDEX. 



SPERMATOZOA. 



Spermatozoa, 797 



form and structure of, ib. 

 Spherical aberration, 765 



correction of, ib. 

 Sphincter ani. See Defecation. 



pupilla3, 746 

 Spnygmographs, 268, 270 



tracings, 270 et seq. 



Spkygmometer, Hill and Barnard's, 295 ' 

 Sphygmoscope, Anderson Stuart's, 284 

 Spinal accessor}' nerve, 629 



functions of, 630 



origin, 629 

 Spinal cord, 604 



canal of, 605 



centres in, 666 



columns of, 606 



commissures of, 605 



conduction of impressions by, 657 et seq. 



course of fibres in, 6 1 1 



development of, 84 1 



fissures and furrows of, 605 



functions of, 657 et seq. 

 of columns, 613,614 



grey matter, 190, 606 

 cells in, 607 



hemisection, 616, 657 



injuries of, 657, 661 



membranes of, 603 



morbid irritability of, 66j 



nerves of, 61 1 



reflex action of, 659 et seq. 

 inhibition of, 600 

 in frog, ib., 667 

 in man, 661 

 superficial, 662 



regions of, 616 



special centres in, 666 



structure of, 604 et seq. 



tracts, 606, 613, 658 



transverse section of, 615 



white matter, 190, 606 



tracts in, 608 

 Spinal nerves, 169 



functions of roots of, 169 



origin of, 169 et seq. 



physiology of, 169 

 Spindle-shaped cells, 487 

 Spirem, 18 

 Spirometer, 355 

 Splanchnopleur, 811, 815 

 Spleen, 322 



development, 854 



functions, 324 



influence of nervous system upon, 325 



Malpighian corpuscles of, 323 



pulp, ib. 



structure of, ib. 



trabeculae of, ib. 

 Spongioblasts, 750, 841 

 Spongioplasm, 8 

 Spot, germinal, 802 

 Spring myograph, 120 



SUPERIOR OLIVARY NUCLEUS. 



Staircase phenomenon, 121, 162, 257 (see 



188) 



Stannius' experiment, 254 

 Stapedius muscle, 716, 724 



development of, 829 

 Stapes, 716 



development of, 829 

 Starch, 389 

 Starvation, 587 



effects of, 588 

 Steapsin, 487 

 Stearic acid, 391 

 Stearin, 49, 390 

 Stercobilin, 504, 547 

 Stethographs, 351 

 Stewart's diet-table, 456 



experiments on the circulation of the 



blood, 265 



on the output of the heart, 246 

 Stimulants as accessories to food, 466 

 Stimuli, varieties of, 15, 109 

 Stolnikow, measurement of the heart's 



output, 246 

 Stomach, 441 



blood-vessels, 445 



development, 851 



digestion in, 489 



glands, 443 



lymphatics, 444 



movements, 521 



influence of nervous system on, 524 



mucous membrane, 443 



muscular coat, 442 



nerves, 445 



peritoneal coat, 442 



secretion of. See Gastric juice. 



shadow photographs of, 524 



submucous coat, 443 



structure, 442 

 Stomata, 25 

 Stratum granulosum, 571 



intermedium of Hannover, 80 



lucidum, 571 



Striated border, 451 (see 27 29) 

 Striated muscle, 86 et seq. See Muscle. 

 Stroma, 415, 798 

 Stromuhr, Ludwig's, 262 

 Structure of cells, 9 et seq. 

 Stuart's sphygmoscope, 284 

 Submaxillary gland of dog, 476 

 Submaxillary and sublingual glands, 474 

 Substantia gelatinosa of Uolando, 607, 

 632, 634 



nigra, 638 



Subthalamic area, 645 

 Succus entericus, 489, 490, 527 



functions of, 490 

 Sucroses, 386 

 Sugar. See Dextrose. 

 Sulphates in urine, 561 

 Superior laryngeal nerve, effects of 

 stimulation of cut, 357 



olivary nucleus, 636 



