538 



INDEX 



Ileocolic valve, 411, 



Ileum, 407, 



Iliac artery, 296, 



Ilium, 61, 



Illusions, sensory, 185, 



Images, after, 245, 



Immune bodies, 276, 



Immunity, 277; specific nature of, 

 277, 



Immunization, 277, 



Impregnation, 518, 



Impulse, cardiac, 305, 



Impulse, nervous, 116. 



Incisor teeth, 399. 



Incus, 189. 



Index of refraction, 220. 



Infant feeding, 523. 



Infection, 274; recovery from, 276. 



Infection-resisting mechanism, 275. 



Inferior maxillary nerve, 130. 



Inferior mesenteric artery, 297. 



Inferior oblique muscle, 211. 



Inferior rectus muscle, 210. 



Infundibulum, 350. 



Inhibition, 155. 



Inhibitory center of heart, 316. 



Inhibitory nerves of heart, 316. 



Injury currents, 98. 



Innervation of iris, 214. 



Innominate artery, 296; vein, 300. 



Inoculation, protective, 278. 



Inorganic food, 388. 



Insertion of muscles, 79. 



Inspiration, 353. 



Intensity of sensations, 170. 



Intercostal arteries, 297; muscles, ex- 

 ternal, 356; internal, 358. 



Intermediary bodies, 275. 



Internal capsule, 147. 



Internal ear, 189. 



Internal medium, 255. 



Internal rectus muscle, 210. 



Internal senses, 171 ; effect of, in con- 

 sciousness, 172. 



Intestinal digestion, 440. 



Intestinal juice, 420. 



Intestine, large, 410; absorption 

 from, 451 ; movements of, 430. 



Intestine, small, 407; absorption 

 from, 442; movements of, 429; 

 nervous control of, 430; mucous 

 coat of, 408. 



Intestines, nerves of, 411. 



Invertase, 421. 



lodothyrin, 271. 



Iris, 213; innervation of, 214; muscles 

 of, 214; pigment of, 214. 



Irritability, 24, 88. 



Irritable tissues, 33. 



Ischium, 61. 



Islands of Langerhans, 447. 



Jaw, 56. 



Jejunum, 407. 



Joints, 68; ball-and-socket, 70; glid- 

 ing, 72; hinge, 70; hygiene of, 72; 

 pivot, 71. 



Judgments, 185. 



Jugular vein, 300. 



Karyokinetic division, 19. 



Katabolic processes, 24. 



Kidney, 466; blood-flow through, 



467; blood-supply of, 465; minute 



structure of, 467. 

 Kidney secretion, mechanism of, 471 ; 



relation of to blood-flow, 473. 

 Knee-cap, 62. 



Labials, 499. 



Labyrinth, 190. 



Lachrymal apparatus, 210. 



Lachrymal bone, 56. 



Lachrymal canals, 210. 



Lachrymal papilla, 209. 



Lachrymal sac, 210. 



Lactase, 421. 



Lactation, 521. 



Lacteals, 260, 410. 



Lactose, 14, 389. 



Lamina spiralis, 191. 



Langerhans, Islands of, 447. 



Language, 157. 



Large intestine, 410; absorption from, 

 451 ; movements of, 430. 



Larynx, 491; cartilages of, 492; 

 muscles of, 494. 



Latent period, 92. 



Laughing, 369. 



Leaping, 111. 



Lecithin, 15, 391. 



Leg bones, 62. 



Lens, crystalline, 218. 



Lens, refraction by, 221. 



Lenticular nucleus, 132. 



Leucocytes, 265; movements of, 266. 



Levator palpebrae superioris, 209. 



Levers in the body, 103. 



Lieberkiihn, crypts of, 410. 



Life, stages of, 526. 



Ligament, broad, 510, capsular, 68; 

 round, 68. 



Light, 219; dispersion of, 220; mono- 

 chromatic, 219; refraction of, 219; 

 wave-length of, 219. 



Limbs, 6; skeleton of, 62. 



Lipase, 420. 



Liver, 411; excretory function of, 



