INDEX. 



1033 



Irritability of nerve-fibers, 84 

 Isodynamic equivalent of foodstuffs, 



940 



Isoleucin, 794, 1009 

 Isometric muscular contractions, 28 

 Isotonic muscular contractions, 28 



solutions, definition of, 1020 

 Isotropous substance in muscle, 20 



JACOBSON, nerve of, 752 



Judgments, visual, of distance and 



size, 381 

 perspective or solidity, 376 



KENOTOXIN, 71, 668 



Kephalin, 464 



Kidney, action of diuretics on, 840 



blood-flow through, 841 



composition of secretion of (urine), 

 843 



function of convoluted tubules, 838 

 of glomerulus, 836 



secretion of urine in, 834 



stimulation of, by hormones, 843 



structure of, 833 

 Kinases, 749 

 Kjeldahl's method for determination 



of nitrogen, 846, 892 

 Knee-jerk, conditions influencing, 159 



definition of, 155 



explanation of, 157 



reinforcement of, 155 



use of, as diagnostic sign, 160 



LABOR, physiology of, 982 

 Lactic acid in muscle, 64 



increase of, during contractions, 



64, 67 



Laked blood, 421 

 Langerhans, islands of, 888, 889 

 Large intestine, digestion and absorp- 

 tion of food in, 806 

 movements of, 731 



Larynx, reflex effects from, on respi- 

 rations, 693 



Latent period of muscular contrac- 

 tion, 27 

 Law of constant energy consumption, 



1005 



growth-quotient, 1005 

 of intestine, 726 

 of surface area, 953 

 Lead sulphid reaction for proteins, 



1013 

 Lecithin, 78, 818 



as complement, 425 

 Lecithoproteins, 1016 

 Lemniscus, lateral, 215 

 median, 204 



Leucin, 794, 1009 



Leukocytes, effect of hemorrhage 

 upon, 471 



functions of, 443 



structure and classification, 442 



variations in number of, 443 

 Leydig's cells, 885 

 Liebermann's reaction for proteins, 



1013 

 Liebig's classification of foodstuffs, 



930 



Light-reflex in eye, 326 

 Lipase, 747 



activation of, 798 



in pancreatic secretion, 796 



reversible reaction of, 744 

 Lipoids, 77 



Lissauer, tract of, 168, 169 

 Listing's law, 370 



schematic eye, 310 

 Liver, acids of, 815 



bile pigments of, 814 



formation of urea in, 829 



glycogen of, 823 



glycogenic action of, 826, 827 



internal secretion of, 867 



pulse, 528 



quantity of bile, 813 



secretion of bile, 818 

 Localization of function in cerebellum, 



243 



in cerebrum, 192 

 Localizing power of skin, 283 

 Locke's solution, 571 

 Locomotor ataxia, 171 

 Ludwig theory of urinary secretion, 



834 



Luminosity of visual sensations, 347 

 Lungs, gaseous exchanges in, 681 



total surface of, 645, 683 



vasomotors of, 623 

 Lymph, action of lymphagogues, 475 



circulation of, 638 



formation of, 474 



summary of factors concerned in 



formation of, 478 

 Lymphoblasts, 443 

 Lymphocytes, 442 

 Lysin, 794, 1009, 1015 



MACROPHAGS, 438 

 Macular field, 343 

 Maltase, 750, 765, 796, 800 

 Maltose, 766, 796 



Mammary glands, conditions control- 

 ling secretion of, 983 

 structure and functions, 983 

 Manometer, Hiirthle's, 495 

 maximum and minimum, 495 

 use of, for determining blood-pres- 

 sure, 489 



