1232 



INDEX 



Inosinic acid, 767 

 Inosit, 767 

 Inspiration, 226 

 forced, 230 

 muscles of, 226, 227 

 Intellectual processes, seat of, 973 

 Intelligence, size of brain and, 988 

 Intermedio-lateral tract, 864, 865 

 Internal capsule, 88 1 



frontal fibres in, 882 

 occipito-temporal fibres in, 882 

 respiration, 265 

 secretion of adrenal, 655 

 of kidney, 671 

 of ovaries, 641 

 of pancreas, 636 

 of parathyroid, 646 

 of pituitary body, 666 

 of pineal gland, 671 

 of spleen, 672 

 of testicles, 640 

 of thymus, 643 

 of thyroid, 645, 6^7 

 Intestinal epithelium, permeability of, 



437 



juice, adaptation of, to food, 415 

 collection of, 370 

 composition of, 371 

 influence of nerves on, 414 

 segments, effect of blood-serum on 



contractions of, 453 

 action of epinephrin on, 453, 657 



658 

 Intestine, large, absorption in, 422, 451 



movements of, 330 



Intestines, absorption of water in, 421 

 contraction of isolated, 452, 330 

 digestion in, 418 

 movements of, 328 

 nerves of, 331, 332 

 reaction of contents of, 419, 420 

 resection of, 451 

 Intraocular tension, 1017 

 Intrathoracic pressure, 236, 237 

 Invertase, 338, 339 



in intestinal juice, 371 

 Inversion of carbo-hydrates, 356 

 Iodine, influence of, on thyroid, 650-654 

 Ions, 429 

 Iris, effect of stimulation of sympathetic 



on, 1023, mo 

 functions of, 1026 

 in accommodation, 1023 

 local mechanism of, 1025 

 nerves of, 1023 

 Iron, absorption of, 447 

 in eggs, 622 

 jn liver cells, 463 

 in milk, 622 

 Irradiation, 1061 

 Island of Reil, 973 

 Islets of Langerhans, 638 



Isodynamic relation of food substances 



773 



Isomaltose, 338 

 Isotonic and isometric contraction, 747 



solutions, 428 

 Itching, sensation of, 1085 



Jacksonian epilepsy, 972 



Japanese dancing mice, labyrinth of, 945 



Jaundice, 384, 414 



colour of stools in, 369 



haematogenic, 385 

 Jaw-jerk, 915 



Karyokinesis, 5 

 Karyosome. See Nucleolus 

 Katabolism. See Metabolism 

 Kephalin, 42, 571, 794, 991- 

 Ketohexoses, 537 

 Ketones, 537 



Kidney, bloodvessels and tubules of, 

 489 



excretion of pigments by, 495 



formation of hippuric acid in, 580 



gas exchange of, 266, 504 



internal secretion of, 671 



nerves of, 504 



tubules of, 490, 492 

 Kinaesthetic area, 963 

 Knee-jerk, 904, 915 



reinforcement of, 911 

 Kreatin and kreatinin. See Creatin and 



Creatinin 

 Kiihne's artificial eye, 1104 



Labyrinth, 927, 1067 



and equilibration, 936, 938 

 and postural reflexes, 918 

 Laccase, 272, 337 

 Lachrymal glands, 475 

 Lactalbumin, 719 

 Lactase, 338, 340, 371, 410 

 Lacteals, 463 



absorption of fat by, 443 

 Lactic acid and heat-production in 



muscle, 767 

 as stage in decomposition of, 



dextrose, 543 

 fermentation, 423 

 formation of, in muscle, 769 

 Hopkins's reaction for, 821 

 in metabolism, 544, 545 

 in nervous tissue, 795 

 in stomach, 350 

 precursor of, in muscle, 770 

 Uffelmann's test for, 460 

 Laking, of blood, 28. See Haemolysis 

 Landergren's hypothesis, 551 

 Langerhans, islets of, 638 

 Lanolin, and fat absorption, 442 

 Larynx, action of muscles of, 308 

 and voice production, 307 



