INDEX. 



431 



Rhodopsin, 116, 130. 

 Rhythm of heart, 210, 214. 

 Ribs, movement of, 246. 

 Rigor mortis, 19, 29. 

 Ringer's fluid, 218. 

 Riva-Rocci sphygmomanometer, 185. 

 Rods of Corti, 144. 

 of retina, 116. 



functions of, 131. 

 Roof nuclei of cerebellum, 71. 

 Rubro-spinal tract, 53, 69, 77. 

 Ruffini, corpuscles of, 108. 



Saccule, 151. 



Saccus endolymphaticus, 151. 

 Sacral autonomic fibres, 102. 

 Saliva, composition* of, 292. 



functions of, 292. 



secretion of, 294. 



effect of nerves on, 294, 297. 

 effect of metabolites on, 297. 

 histological changes in, 298. 

 pressure of, 296. 

 Salivary digestion, 293. 



in stomach, 294. 

 Salivary glands, 292. 



nerves of. 294. 

 Salmine, 13, 14. 

 Salmon, 361. 

 Salts, absorption of, 330. 

 Sanson's images, 123. 

 Saponification, 7. 

 Sarcolemma, 18. 

 Sarcomere, 18. 

 Sarcoplasm, 18. 

 Sarcostyle, 18. 

 Scala tympani, 143. 



vestibuli, 143. 



Schafer's theory of contraction, 19. 

 Schematic eye, 122. 

 Schlemm, canal of, 115. 

 Solera, 114. 

 Scleroproteins, 11. 

 Scratch reflex, 61. 

 Sebaceous glands, 366. 

 Second wind, 287. 

 Secretin, 317. 



effect on intestine, 325. 

 on liver, 323. 

 on pancreas, 317. 

 Semicircular canals (ducts), 151. 



destruction of, 152. 



functions of, 152. j . 



Semilunar ganglion, 101. 



valves, 177. 



Semipermeable cell, 14. 

 Sensations, 105. 

 Sensory adaptation, 106. 



aphasia, 92, 93. 



areas of cortex, 89-92. 



path, 69 , 94. 

 Septum transversum, 152. 



Serine, 12. 



Serous salivary glands, 298. 



Serum albumin, 13, 166. 



globulin, 166. 



osmotic pressure of, 167. 



protein, 166. 



Seventh nerve, nucleus of, 67, 69. 

 Sexual organs, relation to ductless 



glands, 406, 409. 

 Sham feeding, 305. 

 Shock, 235. 



spinal, 65. 



Short ciliary nerves, 1 28. 

 Sight-testing, 122. 

 Simultaneous contrast, 136. 

 Sino-auricular node, 214. 

 Sinus venosus sclerse, 115. 

 Sixth nerve, nucleus of, 67, 69. 

 Skin, 366. 



functions of, 367. 

 Sleep, 96. 

 Small intestine, 312. 



absorption from, 328. 



movements of, 326. 



nerves of, 327. 

 Smell, sense of, 111. 



sensations, 113. 

 Solar plexus, 101. 

 Sols, 17. 



Solubility of gas, 254. 

 Sound, nature of, 145. 



waves, T45. 



Specific irritability, 106. 

 Speech, 93, 150. 

 Spermatids, 410. 

 Spermatocytes, 410. 

 Spermatozoa, 410. 

 Spherical aberration, 127. 

 Sphincter, ileo-colic, 328. 



pupillse, 116. 



pyloric, 312. 



trigoni, 398. 

 Sphingo-myeline, 8. 

 Sphygmograph, 205. 

 Spinal accessory nerve, nucleus of, 67. 

 Spinal animal, 58. 

 Spinal cord, 47. 



ascending tracts, 53. 



cells of, 48. 



collaterals of, 49. 



conduction in, 50. 



descending tracts, 52. 



effect of strychnine, 60. 



endogenous fibres of, 53. 



hemisection of, 55. 



path of impulses in, 55. 



reflex centres in, 65. 



structure of, 47. 



tracts, methods of tracing, 50. 

 Spinal dog, 58. 



rMldulla (see Spinal cord). 



shock, 65. 

 Spino-cerebellar tracts, 54. 



