INDEX 



401 



Inhibitory nerves, 178, 299. 



Innominate artery, 162. 



Insomnia, 319. 



Inspiration, 184, 185, 200. 



Instability of protoplasm, 12, 16, 18. 



Insula, 285, 286. 



Intercellular substance, 23, 24, 48. 



Intercostal arteries, 163. 



Intestinal juice, 235. 



Intestines, action of alcohol on, 247. 



large, 226, 235, 236. 



peristaltic movement of, 235. 



small, 223, 224, 231, 235. 

 Intracentral nerves, 299. 

 Intrinsic nerves, of heart, 177. 

 Invertebrates, exoskeleton of, 37. 

 Inverted images, 114, 121. 

 Involuntary muscles, 60, 66, 67, 80, 81, 



158. 



Iris, 106, 107, 114. 



Irritability of protoplasm, 12, 14, 16, 

 18. 



of tissues, 21. 

 Irritant poisons, 354, 355. 

 Island of Reil, 285, 286. 



Jaw bones, 40. 



Joint, function of, 49, 50, 



injuries to, 55, 56. 



study of, 57. 

 Jugular vein, 169. 



Katabolism, 202, 263. 

 Kidneys, 257, 260-265. 

 Kneepan, 46. 



Labyrinth of ear, 127-131. 

 Lachrymal bones, 40. 

 Lachrymal gland, 112. 

 Lacteals, 151, 153, 170, 226, 237. 

 Lacunas, 25, 53. 

 Lamellae, 52. 



Larynx, nervous mechanism of, 141, 

 142. 



structure of, 136, 137. 



study of, 144. 

 Lens, crystalline, 109, 113, 114. 



image formed by, 103. 

 Levers, in human body, 67-69. 

 Ligaments, function of, 38, 48. 



study of, 81. 



Ligament, transverse, 44. 

 Limbs, bones of, 46, 47. 

 Liver, 232-234. 



blood circulation in, 164, 165. 



effects of alcohol on, 248. 

 Lobes of cerebrum, 96, 285. 

 Lobes, optic, 28, 284, 287, 307, 308. 

 Locomotion, organs of, 59. 

 Longsightedness, 117. 

 Lumbar vertebrae, 41. 

 Lungs, capacity of, 186. 



excretory organs, 257. 



structure of, 184. 



see respiration. 

 Lymph, circulation of, 169. 



function of, 23, 151. 

 Lymph capillaries, 169. 

 Lymph vascular system, 153. 

 Lymphatic duct, 170. 

 Lymphatic glands, 170. 

 Lymphatic vessels, 151, 153, 237. 



Malar bones, 40. 

 Malleus, 40, 127. 

 Marrow, red, 52, 148. 



yellow, 51. 

 Master tissues, 21. 

 Mastication, 218, 241. 

 Matter, intercellular, 23, 24, 48. 



living and lifeless, 9. 



nervous, 30, 32, 275; see nervous 



system. 



Maxillary bones, 40. 

 Meatus, external, 126. 

 Medulla oblongata, 28, 285. 



reflex center, 301,306. 



structure of, 288, 289. 

 Medullary cavity, 51. 

 Medullary portion of kidneys, 260. 

 Medullary sheath, 32, 33, 277. 

 Medullated nerve fiber, 33. 

 Membrane, mucous, see mucous mem- 

 brane. 



Membranes, of brain and spinal cord, 

 283. 



of tympanum, 126, 127. 



synovial, 50. 



Membranous labyrinth, 128. 

 Memory, 310. 

 Meninges, 284. 

 Mesenteric arteries, 163. 



