1041 



Ghcogen, loss of, during muscular 

 contractions, 67 



metabolism of, in body, 915 



origin of, 820 



supply of, in body, 907 

 Glycogenase, 745 

 Glvcogenesis, 910 

 Glycogenolysis, 824, 910 

 Glycoproteins, 1023 

 Glycosuria, 910 



alimentary, 798 

 Glycvlglvcin, 1019 

 Glyoxylase, 909 

 Gmelin's reaction for bile-pigments, 



810 

 Goiter, exophthalmic, 868 

 Golgi's nerve cells, second type, 132 

 Graafian follicle, structure of, 974 

 Gram-molecular solution, 1028 

 Growth, 1010 

 Guanase, 745, 848 

 Guanidin compounds, jjarathyroids in 



regulation of metabolism of, 867 

 Guanin, 64, 847 

 Guanosin, 849 

 Gudden's commissure, 208, 213 



Harmony, physiological cause of, 400 

 Haustral churning, 727 

 Hearing. See Ear. 



limits of, 400 

 Heart, accelerator center for, 586 



nerves of, 582 

 action, current of, 539 



of inhibitory nerves, 572 

 adaptability of, 555 

 analysis of inhibition, 574 

 apex-beat of, 542 

 auriculoventricular bundle, 533 

 automaticity of, 561 

 capacity of ventricles of, 553 

 cardiac nerves of, course, 572 

 cardiogram, 543 

 cardio-inhibitory center of, 576 

 causation of beat, 561 

 change in form of ventricle in svs- 



tole, 541 

 compensatory pause of, 570 

 coronary circulation in, 557 

 course of cardiac nerves, 572 

 ( lepressor nerve of, 605 

 diastasis of, 548 

 diastole and systole of, 530 



time relations of, 552 

 effect of calcium upon, 564 



of drugs on, 580 



of occlusion of coronaries upon, 

 559 



of potassium upon, 564 



of sodium upon, 564 

 efficiency of, 555 

 66 



Heart, electrical changes in, 539, 689 

 escape from inhibition, 576 

 events of a cardiac cycle, 551 

 fibrillary contractions, 559 

 historical account of beat of, 562 

 inhibition of auricle, 576 



of ventricle, 576 

 intraventricular pressure during sys- 

 tole, 544 

 intrinsic nerves of, 563 

 maximal contractions of, 567 

 minute-volume of output, 556 

 musculature of, 530 

 myogenic theory of beat of, 563 

 negative pressure in, 558 

 neurogenic theory of beat of, 563 

 rate of beat as affected by age, 588 

 by blood-pressure, 588 

 by intrinsic nerves, 588 

 by muscular exercise, 589 

 by sex, 587 

 by size, 587 

 by temperature, 590 

 reflex acceleration of beat, 584 

 refractory period of, 569 

 sequence of beat of, 536 

 sounds of, 549 

 suction-pump action of, 558 

 systole and diastole of, 530 



time relations of, 552 

 theories of inhibition of, 580 

 third sound of, 551 

 tonic inhibition of, 578 

 tonicity of muscle of, 570 

 vasomotors of, 614 

 ventricle of, in systole, 541 

 ventricular output of, 546 

 volume curve of, 546 

 work done by, 553 

 Heart-beat, sequence of, 536 

 Heart-block, 538 

 Heart-muscle, general properties of, 



57, 567 

 Heat centers, 965 



equivalent of foodstuffs, 939 



loss of, physiological regulation of, 



960 

 nerves, 965 

 production in hydrolysis, 938 



physiological regulation of, 964 

 regulation, chemical, 965 

 general statement of, 960 

 physical, 962 

 rigor of muscle, 54 

 sexual, in lower animals, 977 

 Heat-stroke, 967 



Helmholtz theory of color vision, 358 

 Helweg's bundle, spinal cord, 180 

 Hematin, 425, 434 

 Hematoidin, 435 

 Hematopoietic tissue, 436 

 Hematoporphyrin, 435 



