1044 



Luminosity of visual sensations, 344 

 Lungs, gaseous exchanges in, 677 



total surface of, 638, 680 



vasomotors of, 615 

 Lymph, action of lymphagogues, 473 



circulation of, 630 



formation of, 472 



summary of factors concerned in 

 formation of, 477 

 Lymphoblasts, 440 

 Lymphocytes, 440 

 Lysin, 790, 902, 1019, 1025 



Macrophags, 436 



Macular field, 339 



Maltase, 745, 760, 792, 796 



Maltose, 761, 792 



Mammary glands, conditions control- 

 ling secretion of, 992 

 structure and functions, 992 



Manometer, Hiirthle's, 492 

 maximum and minimum, 492 

 use of, for determining blood-pres- 

 sure, 487 



Mass peristalsis, 727 



Mast-cells, 440 



Mastication, 709 



Mathematical perspective, 374 



Mean blood-pressure, 491 



Medulla, 871 

 oblongata, 241 



respiratorv center in, 682 



Medullary strise, 213 



tissue, functional significance of, 875 



Meionectic blood, 675 



Mendelian law of inheritance, 1006 



Meningeal spaces, 618 



Menstruation, 1006 



effect of, on other functions, 980 

 physiological significance of, 980 



Mercury manometer, use of, for blood- 

 pressure, 487 



Mesectic blood, 675 



Metabolism, basal, 957 

 definition of, 889 



intermediary, of carbohydrates, 910 

 of fats, 916 

 of nucleoproteins, 848 

 of proteins, 893 



Metaproteins, 1026 



Metathrombin, 461, 462 



Methemoglobin, 433 



Methylglyoxal, 909 



Methylpurins, 847 



MicrocapiUary tonometer, 506 



Microphage, 441 



Micturition, physiology of, 853 



Milk, composition of, 994 



Million's reaction for proteins, 1022 



Minimal air, 647 



Miosis, definition of, 324 



Molisch reaction for proteins, 1023 

 Monakow's bundle, 179 

 Motor aphasia, 216 

 areas of brain, 194 

 paths in spinal cord, 177 

 points in man, 94 

 Mountain sickness, 681, 704 

 Movements of ahmentary canal, defe- 

 cation, 728 

 deglutition, 709 

 large intestine, 726 

 mastication, 709 

 small intestine, 722 

 stomach, 717 

 vomiting, 730 

 Mucin in saUva, 750 

 Muscarin, action of, on heart, 580 

 on iris, 324 

 on sweat-glands, 860 

 Muscle, absolute power of, 39 

 action current of, 104 

 artificial stimulation of, 24 

 atrophy of, 73 

 carbohydrates of, 62 

 cardiac, properties of, 57, 567 

 chemical changes of, in contraction, 



65 

 composition of, 60 

 compound contractions of, 42 

 contraction of, 25 



wave of, 36 

 contracture of, 32 

 curve of work of, 41 

 death rigor, 52 

 demarcation current of, 97 

 direct irritability of, 23 

 disappearance of glycogen in, 66 

 effect of exercise upon, 73 

 of temperature upon, 29 

 of veratrin upon, 31 

 efficiency of, as work-machine, 38 

 energy liberated in, 37 

 Englemann's artificial, 71, 72 

 enzymes of, 64 

 ergographic records from, 48 

 extensibihty and elasticitv of, 20 

 fatigue of, 35, 50, 69 

 glycogen of, 824 

 heat rigor of, 54 

 inorganic salts of, 64 

 introductory contractions of, 35 

 isotonic and isometric contractions 



of, 28 

 lactic acid of, 63 



latent period of contraction of, 27 

 maximal and submaximal contrac- 

 tions of, 29 

 myogenic tonus of, 56 

 neurogenic tonus of, 56 

 nitrogenous extractives of, 60, 63 

 number of stimuU necessary for 

 tetanas, 45 



