1042 



Hemeralopia (night-blindness), 357 

 Hemin, 434 

 Hemiplegia, 197 

 Hemochromogen, 424, 435 

 Hemodromograph, 482 

 Hemoglobin, absorption spectra of, 

 429 



compounds of, with carbon dioxid, 

 427 

 monoxid, 427 

 nitric oxid, 426 

 oxygen, 426 



condition of, in corpuscles, 418 



crystals of, 428 



curve of dissociation of oxyhemo- 

 globin, 674 



derivative compounds of, 433 



iron in, 427 



nature and amount of, 424 

 Hemolysins, natural and acquired, 420 

 Hemolysis, 420 

 Hemophags, 436 

 Hemophilia, 452 

 Hemorrhage, effect of, 466 

 Heparin, 461 



Heredity, definition and history, 1003 

 Hering theory of color vision, 359 

 Hexon bases, 999 

 Hippuric acid, 851 

 Hirudin, 460 

 Histidin, 791, 1019 

 Histohematins, 435 

 Histons, 1000, 1024 

 Hof acker-Sadler law, 1009 

 Homoiothermous animals, 950 

 Homolateral conduction in cord, 175 

 Hordein, nutritive value of, 901 

 Hormones, 772 



stimulation of kidneys by, 839 

 Horopter, 372 

 Hunger, sense of, 286 

 Hunger-contractions, 721 

 Hydrocele liquid, 447 

 Hydrochloric acid, combined, in gas- 

 tric secretion, 767 

 function of, in peptic digestion, 



775 

 in gastric juice, 767 

 Hydrogel, 450 

 Hydrogen exponent, 414 

 Hydrolysis, 743 



heat energy of, 939 

 Hydrostatic factor in circulation, 512 

 Hyperglycemia, 887, 910 

 H3T)ermetropia, 317 

 Hyperpnea, 696 

 Hyperthyroidism, 868 

 Hypertonic solutions, 1030 

 Hypnotic sleep, 265 

 Hypnotoxin, 262 



Hypoglossal nerve, nucleus of, 246 

 Hypophysin, 882 



Hypophysis, 877 

 Hypopituitarism, 880 

 Hjrpothyroidism, 868 

 Hypotonic solutions, 1030 

 Hypoxanthin, 64, 846 



Identical points of retina, 369 

 Identity theory of nerve impulse, 122, 



123 

 Immune body, 423 

 Incongruence of retinas, 370 

 Indican, 852 



Indirect calorimetry,, 956 

 field of vision, eye, 338 

 Indoxyl sulphuric acid, 804, 852 

 Induction coil, 24 

 Inert layer in circulation, 480 

 Infundin, 882 



Inheritance, MendeUan, 1006 

 Inhibition, escape from, in heart, 576 

 of heart, 572 

 of knee-jerk, 154 

 or reflexes, 146 



or respiratory movements, 688 

 reflex of heart, 577 

 theories of, 580 

 Inhibitory theories of sleep, 261 

 Inotropic nerves to heart, 576 

 Inspiration. See also Respiration. 

 definition of, 638 

 increased heart-rate during, 658 

 means of producing, 639 

 muscles of, 641 

 Inspired air, composition of, 660 

 Intermediary metabolism of carbohy- 

 drates, 909 

 of fats, 916 



of nucleoproteins, 847, 848 

 of proteins, 893 

 products of muscle metabolism, 66 

 Intermittent claudication, 33 

 Internal secretion, adrenals, 870 



definition and historical account, 



863 

 liver, 864 

 ovary, 884 

 pancreas, 885 

 testis, 882 

 thyroid tissues, 864 

 sensations, 269 

 Interrenal system, 871 

 Interstitial tissue, 883, 996 

 Intestinal movements, effect of vari- 

 ous conditions upon, 726 

 secretion, 794 , 

 villi, movements of, 725 

 Intestines, bacterial action in, 803 

 large, movements of, 726 

 nervous control of movements of, 



725 

 reaction of contents of, 804 



