1120 



INDEX 



Ions, 423 



Iris, dilator nerves of, 211 



effect of stimulation of sympathetic 

 on, 983 



functions of, 986 



in accommodation, 983 



local mechanism of, 985 



nerves of, 983 

 iron, absorption of, 441 



in eggs, 610 



in liver cells, 457 



in milk, 610 

 Irradiation, 1021 

 Island of Reil, 938 

 Isodynamic relation of food substances, 



747 



Isomaltose, 332 

 Isotonic and isometric contraction, 721 



solutions, 422 

 Itching, sensation of, 1045 



Jacksonian epilepsy, 937 



Japanese dancing mice, labyrinth of, 912 



Jaundice, 408 



colour of stools in, 363 



haematogenic, 379 

 Jaw -jerk, 887 



Karyokinesis, 5 



Karyosome. See Nucleolus 



Katabolic changes in living matter, 7 



Kephalin, 42, 562, 768 



Ketohexoses, 529 



Ketones, 529 



Kidney, bloodvessels and tubules of, 484 



excretion of pigments by, 490 



formation of hippuric acid in, 571 



gas exchange of, 498 



internal secretion of, 648 



nerves of, 499 



tubules of, 485, 486 

 Kinaesthetic area, 929 

 Knee-jerk, 876, 887 



reinforcement of, 883 

 Kreatin and kreatmin in protein meta- 

 bolism, 586 



in muscle, 742 

 Kreatinin, 475, 515 



excretion and muscular work, 600 



in fever, 678 



source of, 587 

 Kiihne's artificial eye, 1061 



Labyrinth and equilibration, 907 

 Laccase, 268, 331 

 Lachrymal glands, 469 

 Lactalbumin, 692 

 Lactase, 332, 334 

 Lacteals, 458 



absorption of fat by, 437 

 Lactic acid and heat-production in 

 muscle, 741 



Lactic acid as stage in decomposition of 



dextrose, 535 

 fermentation, 418 

 formation of, in muscle, 743 

 Hopkins's reaction for, 794 

 in metabolism, 537 

 in nervous tissue, 769 

 precursor of, 744 

 Uffelmann's test for, 454 

 Laking of blood, 28. See Haemolysis 

 Landergren's hypothesis, 542 

 Langerhans, islets of, 624 

 Lanolin, 436 

 Larynx, action of muscles of, 302 



and voice production, 301 

 Latent period of muscular contraction, 



719- 788 

 Lateral ground-bundle, 839 



nucleus of bulb, 845 

 Law of contraction, 817 

 Lecithin, i, 47, 360, 562, 768 



digestion of, 416 

 Leclanche battery, 196 

 Leech extract and coagulation, 38 

 Left-handed people, 936 

 Legal' s test for acetone, 521 

 Leucin, 354, 455 

 Leucocytes, chemistry of, 55 

 eosinophile, 17 

 number of, 19 

 origin of, 22 

 polymorphonuclear, 17 

 transitional, 17 

 varieties of, 17 

 Leucocytosis, 19 

 Leukaemia, 19 



Levatores costarum, action of , in respira- 

 tion, 226 

 Levulose, 529 



Lieben's test for acetone, 521 

 Lieberkiihn's crypts, 364, 368, 369 



functions of, 445 

 Lime salts, deficiency of, changes cajused 



by, 609 



Limulus heart, 165 

 Linolic acid, 547 

 Lipase, 48, 332 

 gastric, 349 

 pancreatic, 356 

 reversed action of, 438 

 Lipases of reversible action, 356 

 Lipoids, i, 3 

 Lipoid-solubility of absorbed substances, 



43i 



Liquids, flow of, 83 

 Lissauer, tract of, 838 

 Listing's law, 1023 

 Liver and coagulation, 44 

 and deamidization, 578 

 and glycogen formation, 526, 528 

 and metabolism of fat, 558 

 and urea formation, 574 



