INDEX 



887 



Metronome, 170 



Metschnikoffs theory of phagocytosis, 



S5> 56 - 

 Micturition, 414 



centre, 416, 716 

 Milk, assimilation of, 479 



calcium and phosphorus in, 474 



carbon and nitrogen in, 477 



composition of, 479 



iron in, 475 



secretion of, 876 



Milk-curdling ferment, 303, 306, 379 

 Millon's reagent, 20 

 Mirrors, reflection from, 774, 775 

 Mitral cells of olfactory bulb, 717 



valve, 75, 181 

 Moist chamber, 652 

 Molecular concentration, 360 



layer of cerebellum, 728 



of olfactory bulb, 717 

 Morphia, action of, on motor centres, 



755 



quantity of, for dog, 58, 176 

 Mother-substances of ferments, 323, 324 

 Motor areas, 743-748, 769 

 in dog, 742 



hedgehog, 760 

 man, 745 

 monkey, 744 

 opossum, 760 

 ornithorhynchus, 760 

 rabbit, 760 

 removal of, 770 

 sensory functions of, 754 

 path, 687, 701 

 Mountain sickness, 258 

 Movements, co-ordination of, 735 



forced, 734 

 Mucous glands, changes in activity. 322, 



377 



Miiller's experiment, 256 

 Murexide test for uric acid, 427 

 Muscae volitantes, 796 

 Muscarine, action of, on heart, 141, 174 

 Muscle, afferent impressions from, 731 

 composition of, 582, 626 

 degeneration of, 609 

 diffraction spectrum of, "59 

 direct excitability of, 550, 617 

 elasticity and extensibility of, 547 

 glycogen in, 449, 582 

 reaction of, 583, 627 

 respiration of, 245-248 

 rigor of, 585-589 

 stimulation of, 549 



by voltaic current, 552, 616 

 structure of, 554 



in polarized light, 558 

 sound, 576 



Muscle-nerve preparation, to make, 614 

 Muscle spindles, 609, 854 

 Muscular contraction, chemical pheno- 

 mena of, 581 

 duration of, 559 

 formula of, 597, 599, 655 

 heat produced in, 579 

 influence of fatigue on, 566-568, 



620 

 of load on, 563, 620 



Muscular contraction, of suprarenal ex- 

 tract on, 488, 622 

 of temperature on, 565, 618 

 of veratria on, 569, 570, 622 

 isometric and isotonic, 563 

 lactic acid formed in, 583, 627 

 latent period of, 559, 622 

 mechanical phenomena of, 559- 



578 



optical phenomena of, 554 

 recording of, 618, 619 

 reversal of stripes in, 557 

 seat of fatigue in, 568^ 620, 621 

 source of energy ot, 583 

 superposition of, 571, 623 

 velocity of wave of, 575 

 voluntary, 576 

 work done in, 564, 621 

 Muscular fatigue, 566 



seat of exhaustion in, 568, 620, 



621 



exercise, effect on the pulse, 94, 183 

 sense, 853 

 tetanus, 572, 624 

 tone, 713 



work, nitrogenous metabolism in, 467 

 relation of, to energy expended, 



580 



Musical centre< , 750 

 Mydriatics, 793 

 Myograph, pendulum, 561 

 spring, 560 

 simple, 619 

 Myopia, 797 

 Myosin, 586, 626, 627 

 Myosinogen, 586, 626, 627 

 Myotatic irritability, 707 

 Myotics, 793 

 Myxoedema and thyroidectomy, 485 



Near point of vision, 797 



Negative variation. See Action current 



Nerve, chemical changes in, 592 



composition of, 604 



conductivity of, 595, 596 



degeneration of, 605 



double conduction in, 601 



effect of temperature on excitability 

 and conductivity of, 594 



effect of voltaic current on, 595, 654 



isolated conduction in, 602 



minimum stimulus of, 593 



polarization of, 638 



regeneration of, 607 



stimulation of, 593 



structure of, 590 

 Nerve-cells, 661 



changes in, after section of axon, 667, 

 668 



changes in, in fatigue, 761 



changes in, with age, 666 



growth of, 666 



number of, in brain, 668 

 Nerve-fibres, size of, 669 

 Nerve-impulse, velocity of, 603, 625 

 Nerve-muscle preparation, to m.ke, 614 

 Nerves, classification of, 613, 672 



trophic, 610 

 Nervous tissue, effects of extracts of. 490 



