1314 



INDEX 



Stenopseic aperture, 536 

 ' Stepping ' reflex, 332 

 Stereo-isomerism in the sugars, 60 

 Stimulation of muscle, 186-192 

 of nerve, 262-269 

 of sense organs, 479 

 Stimulus, definition of, 26 

 energy of, 262 

 influence of strength on, 205 



of stress on, 205 

 inhibitory, 26 

 liminal, 193, 482 

 relation of response to, 26 

 summation of, 245, 272, 304 

 Stomach, digestion in, 728-741 



influence of vagus on, 737 

 movements of, 742-747 

 Strabismus, 497 



from myopia, 538 

 String galvanometer, 227 

 Stroma of red corpuscles, 863 

 Structural basis of the body, 13-35 

 Strychnine, effects of, 347 

 Substrate, 163 



Suckling, importance to mothers, 1298 

 Sugar in blood, 839 



conversion into fats, 117 



into lactic acid, 113 

 formation from ammo-acids, 845 



from fat, 837 

 of milk, 67 

 in urine, 843, 1172 

 synthesis of, 62 

 utilisation of, 842 

 value of, 701 

 Sugars, assimilable, 61 



chemistry of, 59-67 

 reaction of, 62 

 Sulphates of urine, 1163 

 Sulphur in amino-acids, 85 

 in keratin, 105 

 metabolism, 813 

 in protein, 74 

 sources of, 42 

 test for in protein, 92 

 Summation in muscle, 206, 245 

 of stimuli, 245, 272 



in reflex action, 



304 



Supplemental air, 1095 

 Suprarenal "bodies, 1233-1238 

 Surface action in emulsions, 



layer, properties of, 21 

 phenomena in soap solution, 56 

 tension in cells, 20 



effect of electrical changes 



on, 172 



in protoplasm, 19 



Surfaces, electrical changes on, 172 

 Suspensoids, 139 

 Swallowing, 721-727 

 Sweat, secretion of, 1216-1218 

 Sympathetic action on heart, 1018 

 ganglia, 465 

 nerve, effect on blood veoels, 



1037 

 on salivary glands, 



712 



-supply to eye-ball, 511 

 system, 4C>:> 



Synapse, fatigue in, 343 

 functions of , 310 

 between nerve and muscle, 275 

 structure of, 298, 308 



TACTILE DISCRIMINATION, 631 



sensibility, 629 



Taste, cortical localisation of, 449 

 nerves of, 411 

 sense of, 640 

 Tears, secretion of, 515 

 Tecto-spinal tract, 389 

 Tegmentum, 373 

 Teleology, justification of, 5 

 Temperature changes in muscle, 219 



effect on excitability, 273 



on ferment action, 159 

 on heart, 1005 

 on muscle, 207, 247 

 nervous mechanism of, 1228 

 regulation of, 443, 1219-1229 

 -sense, 626 

 Tendon phenomena, 333 



reflex, 333 

 Tension of muscle, 202 



relation to heat produc- 

 tion, 222 



Tensor tympani, 603 

 Tetanus, closing, 264 



involuntary movement, 240 

 in muscle, 206 

 -toxin, 347 



Thalamo-spinal tract, 353, 389 

 Thalamus, optic, structure of, 373 

 functions of, 393 

 Theobromide, 101 

 Thermopile, 219 

 Thigmotaxis, 27 



Thorax movements in respiration, 1091 

 ' Threshold value ' of sensation, 482 

 Thrombin, 885 

 Thrombogen, 887 

 Thrombokinase, 887 

 Thrombosis, 880, 888 

 Thymine, 102 

 Thyroid gland, 1238-1241 

 Tidal air, 1095 

 Timbre, 597 

 Tissue fibrinogen, 99, 889 



metabolism, 811 



Tissues, electrical changes in living, 169-173 

 Tone of muscle, 333, 654 

 Tonus cerebella, 398 

 Touch, sense of, 629 

 Toxins, 148 



influence of, 1080 

 Tracts of brain stem, 384 

 of cord, 352 

 optic, 386, 405, 551 

 Training, influence of, 1055 

 Traube curves, 1031 

 Triglycerides, 54 

 Trammer's test, 63 

 Trophic functions of 5th nerve, 411 

 of spinal cord, 349 

 Trypsin, 749 



action of, 97 



action of polypeptides on, 88 

 velocity of reaction, 165 

 Trypsinogen, 751 



