432 



ESSENTIALS OF PHYSIOLOGY. 



Spino-tectal tract, 54, 69. 

 Spino-thalamic tract, 54. 

 Spiral ganglion, 91. 

 lamina, 143. 

 ligament, 143. 

 Spirometer, 249. 

 Splanchnic nerve, 101, 231. 

 Spleen, 408. 



Staircase phenomenon, 212. 

 Stannius ligature, 212. 

 Stapedius muscle, 143. 

 Stapes, 142. 

 Starch, 6. 



digestion by saliva, 293. 

 hydrolysis of, 6. 

 molecule of, 5. 

 soluble, 293. 

 Starvation, 360. 



carbohydrate metabolism in, 360. 

 fat metabolism in, 361. 

 loss in various organs, 361. 

 protein metabolism in, 361. 

 Stearic acid, 7. 

 Stellate ganglion, 101. 

 Stercobilin, 322. 

 Stethograph, 265. 

 Stimuli, summation of, 23. 

 Stimulus, adequate, 105. 



strength required for sensation, 105. 

 threshold, 106. 

 Stomach, 301. 

 digestion in, 301. 

 movements of, 309. 

 nerves to, 306, 311. 

 sphincter, pyloric, 312. 

 Stratum granulosum, 366. 

 lucidum, 366. 

 opticum, 118. 

 Striae acusticee, 91. 



medullares, 91. 

 Striated muscle, 18. 

 String galvanometer, 24, 216, 273. 

 Stromuhr, 188. 

 Structural basis of body, 2. 

 Strychnine, effect on cord, 60. 

 Subliminal stimuli, 106. 

 Sublingual gland, 298. 

 Submaxillary ganglion, 297. 



gland, 294, 298. 

 Substantia nigra, 76. 

 Successive contrast, 137. 

 Succus entericus (see Intestinal juice). 

 Sugar in blood, 166. 

 in urine, 387. 



utilisation of, in body, 350. 

 Sugars, 5. 



Sulphocyanate in saliva, 292. 

 Summation of contractions, 23. 

 of stimuli in reflex action, 62. 



in sensation, 106. 



Superior cerebellar peduncles, 71. * 

 cervical ganglion, 101. 

 colliculi of corpora quadrigemina, 76. 



Superior mesenteric ganglion, 102. 



oblique muscle, 137. 

 j Supplemental air, 249. 

 I Suprarenal glands, 400. 



function of, 401. 



nerve supply of, 234, 404. 

 j Surface tension, 2. 

 ' Suspensory ligament, 119. 

 i Swallowing (see Deglutition). 

 Sweat, 367. 



composition of, 367. 



glands, 366. 



loss of heat by, 367. 



nerves, 367. 



secretion of, 367. 

 1 Sympathetic ganglia, 99. 



nerves of heart, 101, 221. 



synapse in, 99. 

 Synapse, 41, 99. 



Tactile discrimination, 109. 



localisation, 107. 



sensations, 107. 



path of impulses, 55, 56. 

 Taste, 111. 



area, 92. 



bulbs, 112. 



nerves, 92, 112. 



sensations, 112. 

 Tears, 114. 



Tecto-spinal tract, 78. 

 Tegmentum, 76. 



Temperature, effect on heart, 219. 

 on metabolism, 370. 

 on muscle, 22. 



sense, 107. 

 Temporal lobe, 91. 

 Temporo-pontine fibres, 76, 83. 

 Tendon reflexes, 62. 

 Tendril fibres, 73. 

 Tension, effect of, on bladder, 399. 

 on heart, 202, 213. 

 on muscle, 29. 



of gases in liquids, 255. 

 Tensor tympani muscle, 143. 

 Test types, 122. 

 Testis, 410. 

 Tetanus, 23. 

 Thalamo-cortical tract, 83. 



-frontal fibres, 83. 



-parietal fibres, 83. 

 Thalamus, 79, 93. 

 Thermopile, 28. 

 Third nerve, functions of, 129, 137. 



nucleus of, 67, 79, 126. 

 Threshold stimulus, 106. 

 Thrombin, 170, 172. 

 Thrombogen, 170. 

 Thrombokinase, 171. 

 Thymus, 409. 

 Thyroid cartilage, 148. 



