406 



INDEX 



Spectrum, 102. 

 Speech, 141. 312. 

 Sphenoid bone, 40. 

 Sphincter muscle, 223. 

 Spinal accessory nerve, 176, 177, 292. 

 Spinal bulb, see medulla oblonydta. 

 Spinal column, 40-44. 

 Spinal cord, center reflex action, 73, 

 302, 303. 



function of, 300. 



membranes of, 283. 



nerve center, 275. 



structure of, 29, 32, 279, 280. 



study of, 34. 

 Spinal ganglion, 29, 282. 

 Spinal nerves, 29, 72, 86, 87, 281-283. 

 Spinous process, 42. 

 Spleen, 149, 254, 255. 

 Splenic artery, 163, 254. 

 Splenic vein, 255. 

 Sprain, treatment of, 56. 

 Squamous epithelium, 91. 

 Squinting, causes of, 117, 118. 

 Stammering, causes of, 141. 

 Stapes, 40, 127. 

 Starch, 205, 214. 

 Sterilizing, 340. 

 Sternum, 44, 45. 

 Stimulus, in plants and animals, 14. 



nervous, 21. 



of muscle, 21, 62-64. 



results of, 309, 310. 

 Stirrup bone, 40, 127. 

 Stomach, absorbents in, 236. 



action of alcohol in, 247. 



action of gastric juice in, 230, 231. 



structure of, 221-223. 

 Striped (striated) muscle fibers, 60, 



63,81,158. 

 Stroma, 148. 

 Subclavian arteries, 162. 

 Snblingual glands, 228. 

 Submaxillary glands, 228. 

 Suffocation, treatment for, 347. 

 Sugar, 205. 



conversion of starch into, 229, 232. 



liver stores up, 234. 



test for, LM5. 



Sunstroke, treatment for, 350, 351. 

 Suprarenal capsules, 256. 

 Suspensory ligament, 109. 



Sutures, 37, 49. 

 Sweat, 258, 259. 

 Sweat glands, 85, 92', 258. 

 Sylvian fissure, 280. 

 Sympathetic nervous system, compo- 

 sition of, 30, 292-29.">. 



functions of, 27, 304, 305. 



nerves from, 278. 



study of, 34. 

 Synovial fluid, 56. 

 Synovial membrane, 50. 

 System, 20. 

 Systemic circulation, 160-164. 



Tactile end organs, 87, 88. 

 Tactile sensations, area for, 313. 

 Tarsal bones, 46. 

 Taste, area for, 313. 



combination with smell, 100. 



sense of, 14, 86, 94-96. 

 Taste buds, 95, 96. 

 Taste cells, 95. 

 Taste corpuscles, 218. 

 Tear ducts, 40. 

 Tears, formation of, 112. 

 Teeth, 218-220. 



care of, 240, 241. 



enamel of, 239, 240. 

 Temperature, of air for breathing, 193, 

 194. 



of body, 82, 266-268. 



sensation of, 86, 93. 

 Temporal bones, 39. 

 Temporal lobe, 285. 

 Tendinous cords, 157. 

 Tendons, function of, 48. 



study of, 81. 

 Tetanus, 63. 

 Thermic fever, 350, 351. 

 Thigh bone, 46. 

 Thirst, sensation of, 86, 238. 

 Thoracic duct, 169, 237. 

 Thoracic vertebrae, 41. 

 Thorax, arteries in, 162, 163. 



contraction of muscles of, 45, 185. 



in breathing, 184, 185. 

 Thymus gland, ii.">(. 

 Thyroid cartilage, 136, 137. 

 Thyroid gland, 255, 256. 

 Tibia, 4(5. 

 Tibial artery, 163. 



