INDEX. 



591 



Iron, amount of, in haemoglobin, 39 



excretion of, 530 



inorganic, absorption of, 529 



nutritive history of, 528 



occurrence of, 528 



synthesis of, into haemoglobin, 529 



salts, excretion of, 356 

 nutritive value of, 356 

 Irradiation of medullary centres, 201 

 Irrigating fluids for the isolated heart, 189, 191 

 Irritability of living matter, 18 

 Ischaeniia of heart muscle, 181 

 Iso-butyl alcohol, 539 

 Iso-butyric acid, 539 

 Iso-dynamic equivalence of foods, 365 

 Isolated apex of frog's heart, 188 

 Isolation of the heart, 148, 191 

 I.somaltose, 565 

 Iso-pentyl alcohol, 539 

 Isotonic solutions, 36, 69 

 Isotonicity, 36, 68 

 Iso-valerianic acid, 539 



Jaundice, 249, 544 

 Jecorin. 564 



Karyokinesis, 20 

 Katabolism, definition of, 19 

 Keratin, 580 



Ketoses, definition of, 561 



Kidneys, blood-flow through the, 255 



histology of, 249 



internal secretion of, 274 



nerve-endings in, 251 



vaso-motor nerves of, 207, 256 

 " Klopf-versuch " of Goltz, 175 

 Kymograph. 89 



Lactalbumin, 261 



Lacteal vessels, 318 



Lacteals, absorption through the, 311 



Lactic acid, 545 



fermentation, 545 

 occurrence of, in the stomach, 289 

 Lacto-globulin, 261 

 Lactose, 262, 565 

 Laky blood, 35 

 Laugerhans, bodies of, 232 

 Lanolin, 257, 575 



Large intestine, digestion in the, 309 

 Latent heat, definition of, 504 



period of cardiac accelerator nerves, 170 

 of heart muscle, 153 

 of vagus-stimulation, 162 

 Latham's hypothesis of the structure of pro- 

 toplasm, 24 

 Laughing, 454 

 Lecithin. 559 



amount of, in the blood, 51 



occurrence of, 325 



of bile, 245 



of milk. 261 

 Leech extract, effect of, on blood coagulation, 62 



lymphagogic action of, 73 

 Leucin, chemical properties, 540 



formation of. in fcryptic digestion, 303 



nutritive history of, 540 



occurrence of, 540 

 Leucocytes, behavior of. in blood capillaries, 82 



classification of, 17. 48 



emigration of, 83 



from the thymus <,dand, composition of. 51 



functions of. 18 



influence of. on blood-plasma, 49 

 origin of, 49 

 Leucocythaemia, fatty acids in, 530 

 nnrin bases excreted in, 557 



Leucouuclein, effect of, on intravascular clot- 

 ting, 61 

 Levatores ani muscles, expiratory action of, 407 



costarum breves, inspiratory action of, 402 

 Levulic acid, 538 

 Levulose, oil.' 



fate of, in pancreatic diabetes, 267 



occurrence of, 564 



oxidation of, in diabetes, 564 

 Lieberkuhn's crypts, histology of, 243 

 Liebitr's method of urea determination, 549 

 Life, general hypothesis of, 25 

 Ligatures of Staunius, 178 

 Limbs, vaso-motor nerves of, 209 

 Lipase, 305 

 Lipochromes, 574 

 Liqueurs, 535 



Living matter, elementary constituents of, 

 499 



general properties of. 18 m 



molecular structure of, 23 

 Liver, defensive action of, against intravascular 

 clotting, 61 



extirpation of the, 336 



functions of, 320 



histology of, 244, 321 



internal secretion of, 265 



lymph formation in, 73 



nerve-endings in, 245 



secretory function of, 244 

 nerves of, 247 



urea formation in, 331 



vaso-motor nerves of, 206 

 Loew's hypothesis of the structure of pro- 

 toplasm, 23 

 Loop of Heule, 250 

 Lungs, capacity of, 427 



nerve-supply of, 465 



structure of, 396 



vaso-motor nerves of. 205 

 Lunulas of the semilunar valves, 111 

 Lutein, 574 



Luxus consumption, 348 

 Lymph, 33 



amount of, 146 



definition of. 70 



formation of, 71 



gases of, 419 



mechanical theory of the origin of the, 75 



movement of, 71, 146 



pressure of. 1 hi 



secretion of, 214 

 Lymphagogues, action of, 73, 74 

 Lymphatics of the heart. 186 

 Lymphatic system, nature of, 145 

 Lymph glands. 1 16 

 Lymphocytes, 18 

 Lysatin. 551 

 Lysatinin, relation of, to urea formation, 337, 



551 

 Lysin, 552 



Magnesium carbonate, 527 



nutritive history of, 527 

 occurrence of. 527 

 phosphates, 527 



Malic acid. 558 



Malpighian corpuscle of fche kidnev, structure 



of. 249 

 Maltase, 280, 565 



in starch digestion, 285 



occurrence of. 308 

 Mammary glands, histological changes in. 262 



normal secret ion of, 264 



secretory nerves of, 263 



structure of. '-'61 

 Manuose. 562 



