934 



INDEX 



lodin, treatment and prevention of 



goiter by, 725. 

 lodin compounds, 333. 

 Ionic substances, important role of in 



life processes, 335. 

 Iron, effect of, on metabolism, 755. 



in human body, in the blood, 451. 

 course of, 327, 328. 



distribution of, 326. 



excretion of, 328. 



function of, 326, 327. 



intestinal elimination of, 328, 



* in liver, 463. 

 metabolism of, 329. 



urinary elimination of, 329. 



in the urine, 503. 



Iron-containing foods, 327. 

 Iron metabolism, 329. 



role of spleen in, 331. 

 Iron waters, in anemia, 851. 



in chlorosis, 851. 



and metabolism, 851. 

 Iso-amylamin, effect of, on metabolism, 



773. 

 Isodynamic equivalents, von Liebig, 49. 



table of, 50. 

 Iso-leucin, 85, 109. 

 Isomerism, 218. 



of the aldohexoses, 222. 



of glucose, 221. 



Jaquet's apparatus for measuring re- 

 spiratory exchange, 519. 



Kidney secretion, mechanism of, 482. 



Kidney threshold for sugar, 253. 



Kidneys, comparative importance of 

 intestines and, as excretory channels, 

 ^511. 



Krogh's apparatus for measuring re- 

 spiratory exchange, 531. 



Lactation, calcium in blood during, 



322. 

 Lactic acid, in the brain, 471. 



excretion of, in carbon monoxid 

 poisoning, 743. 



increased, in oxygen deficiency, 



741. 



in muscle tissue, 460. 



transformation of, into glucose, 108. 

 Lactose, 245. 



feeding of, 707. 



formula for, 244. 



hydrolysis of, 708. 



methods of administration of, 707. 

 Lactose-protein solutions, feeding with, 



709. 



Lanolin, 185. 



Lavoisier, accurate measuring instru- 

 ments of, 20, 21. 



"air eminently respirable" of, 22. 



experiments of, animal heat, con- 

 servation of, 23. 



on nature of water, 19. 



respiration, 25. 



on man, 25. 



basic facts regarding metab- 

 olism, 25. 

 respiratory quotient, 22. 



history of, 19. 



outside his laboratory, 28, 29. 



phlogiston theory of combustion de- 

 molished by (1783), 23. 



Lead, effects of, on metabolism, 758. 

 Lecithin, 448. 



of brain, 468, 469. 



in the liver, 463. 

 Lecithins, 186. 



Lefevre, Nicholas (died 1674), and me- 

 tabolism, 8. 

 Leprosy, calcium in, 728. 



disturbances in mineral metabolism 

 in, 336. 



uric acid in, 437. 



increased elimination of, 498. 



Leucin, 85. 



of the brain, 471. 



fate of, 109. 



Leukemia, chronic lymphatic, treat- 

 ment of, by x-rays and radium, 884. 



myeloid, treated by x-rays, 884. 

 Levulinic acid, 240. 



v, Liebig, Justus, activity of yeast 



cells discussed by, 54. 

 v. Liebig's extract of meat, v. Liebig's 



defense of the use of, 54. 

 Light, action of, 903. 



on blood, 892. 



on cell proteins, 891. 



on enzymes, 892. 



on metabolism, 893. 



on tissues and skin, 891. 



chemical changes brought about by, 

 891. 



rays of, 890. 

 effective, 891. 



as a therapeutic agent, 890. 



waves of, 890. 



Lime metabolism, in infancy and child- 

 hood, 318. 



Lipase, gastric, 189, 190. 



Lipases, of intestinal tract and diges- 

 tion, 192. 



pancreatic, 192. 

 Lipemia, alimentary, 201. 



