INDEX 



639 



Hemophilia, 319. 



Henry's law, 418. 



Hepatic artery, 457, 461; cells, 458; 

 duct, 457; vein, 335, 458. 



Heredity, 574. 



Bering's theory of color vision, 284. 



Hermaphrodite, 560. 



Hernia, inguinal, 563. 



Hiccough, 408. 



Hilus of kidney, 520. 



Hind-brain, 146. 



Hind limb, structure of, 66. 



Hinge joints, 75. 



Hip joint, 72. 



Histological methods, 7. 



Histology, definition, 2; of adipose 

 tissue, 44; of adenoid tissue, 304; 

 of areolar tissue, 43; of blood, 295; 

 of bone, 47; of cardiac muscle, 86; 

 of cartilage, 45; of connective 

 tissue, 43; of ear, 232, 237; of 

 elastic tissue, 44; of hairs, 532; of 

 heart, 86; of kidney, 522; of liver, 

 458; of lungs, 389; of lymph, 304; 

 of lymph glands, 304; of nails, 534; 

 of nervous tissue, 136; of retina, 

 252; of skeletal muscle, 83; of 

 small intestine, 452; of smooth 

 muscle, 85; of stomach, 451; of 

 tongue, 446. 



Histon, 12. 



Hives, 385. 



Holding the breath, 406: 



Holmgren test for color blindness, 

 281. 



Holoblastic ova, 571. 



Homothermous animals, 539. 



Hormones, definition, 39, 292, 305; 

 action of on glands, 484; affecting 

 metabolism, 496, 513; emergency, 

 200, 319; production of, 305; of 

 reproductive system, 583; of skel- 

 etal muscle, 114; of supporting 

 system, 49. 



Hormone action of carbon dioxid, 

 424. 



Horopter, 288. 



Humerus, 66, 79. 



Humor, aqueous and vitreous, 254. 



Hunger, 205, 206, 209. 



Hyaline cartilage, 45. 



Hyaloid membrane, 254. 



Hybrid, 574. 



Hydremic plethora, 385. 



Hydrocarbons, 15. 



Hydrocele, 563. 



Hydrocephalus, 142. 



Hydrochloric acid, 10, 464. 



Hydrogen, 9. 



Hydrolysis, 462. 



Hygiene, definition, 1; of bones, 51; 

 of clothing, 544; of digestion, 489; 

 of exercise, 131; of eyes, 265; of 

 joints, 76; of menstruation, 572; 

 of muscles, 130; of mouth, 469; of 

 respiration, 398; of skeleton, 70; 

 of skin, 537. 



Hymen, 570. 



Hyoid bone, 55, 62. 



Hypermetropia, 262. 



Hyperpnea, 406. 



Hypertrophy of heart, 344. 



Hypogastric nerve, 456; plexus, 456. 



Hypoglossal nerve, 152. 



Hypophysis, 50. 



Idiosyncracy, 441. 



Ileocolic valve, 455. 



Ileum, 452. 



Iliac artery, 330, 331. 



Ilium, 52, 65. 



Illusions, sensory, 221. 



Images, after, 281. 



Immune bodies, 308, 309. 



Immunity, 310. 



Immunization, 309. 



Impregnation, 576. 



Impulse, cardiac, 340; nervous, 135; 

 passage of along neuron, 155;- na- 

 ture of, 157; how aroused, 156; 

 speed of, 156; spread of in both 

 directions, 156. 



Incisor teeth, 444. 



Incus, 229. 



Index of refraction, 256. 



Inert layer, 356. 



Infant feeding, 581. 



Infection, 306; carriers of, 310; re- 

 covery from, 308; resistance to, 

 306. 



Infection-resisting mechanism, 307. 



Inferior maxilla, 60. 



Inferior maxillary nerve, 151. 



Inferior mesenteric artery, 331. 



Inferior oblique muscle, 247. 



Inferior rectus muscle, 246. 



Inferior turbinate bone, 60. 



Inflammatory rheumatism, 344. 



Infundibulum, 388. 



Inhibition, 184. 



Inhibitory center, 352; nerves, 351. 



Injury currents, 103. 



Innervation of iris, 250. 



Innominate artery, 330; vein, 333. 



Inoculation, protective, 311. 



Inorganic food, 430. 



Insertion of muscles, 82. 



Inspiration, 391. 



Insufficiency, valvular, effects of, 344. 



