INDEX 



781 



Hay, absorption of, 287 



digestion of, 177 

 Hearing, 575. See also Ear 

 Heart, 28 



anabolism of, 57 



apex, 30, 31, 40 



arrangement of, 28 



atropine and, 56 



augmentor fibres of, 51 



auricle, fibres of, 33 



auriculo-ventricular bundle, 31, 

 32, 49 

 groove, 38 

 node, 31 



automaticity, 49 



beat, cause of, 47 



block, 49, 51 



bone, 34 



capacity of, 45 



cardio-inhibitory centre, 55 



centre. See Medulla 



changes in shape on contract- 

 ing, 38 



chemical stimulus, 59 



chordae tendineae, 34, 36, 38 



circulation through, 29 



columnae carneae, 32 



contraction of auricles, 38, 51 

 of ventricles, 38, 39 



coronary circulation, 46 



cycle of movements, 37, 38, 39 



depressor nerve, 57 



diastole, 37 



endocardium, 33 



feeding of, 49 



fibres, 33 



fibrillar contraction, 47, 399 



fibrous rings in, 33 



foreign bodies in, 58, 61, 197 



function of sympathetic, 56 



ganglia, 48 



impulse of, 38, 40, 45 



inhibition, 57 



inhibitory fibres of, 51 



inner stimulus, 50 



intermittent action, 61 



intersystolic period, 39 



katabolism of, 57 



Mackenzie's views, 60 



moderator bands, 32, 34 



movements of, 37, 49 



muscarine and, 56 



muscle, 31, 32, 37, 50, 51, 392 

 physiological properties of, 



50 

 muscular wall of, 32 

 musculi papillares, 32, 33, 34, 



36. 38, 39 

 myogenic theory, 48 

 nervous mechanism of, 51 

 neurogenic theory, 48 



Heart, pathological, 59 

 pause, 39 



pericardium, 30,40, 71, 114, 265 

 pilocarpine and, 56 

 poisons and, 56 

 position of, 30 

 postsphygmic period, 43 

 prespnygmic period, 43 

 pressure within, 38, 40, 43, 44 

 rate of, 39 



refractory, period, 50 

 rotation of, 38, 39 

 rupture of, 60 

 salts, influence on, 49 

 sounds of, 38, 40 

 standard movements of, 42 

 Stannius's experiment, 49 

 sympathetic nerves, 51, 56 

 systole, 37 

 systolic plateau, 41 

 tension sounds, 37 

 tetanus, 50 

 the cardiograph, 45 

 vagus nerves, 51, 52 

 valves, 29, 34 



aortic or sigmoid, 36, 37, 38 



auriculo - ventricular, 34, 

 35. 38, 39, 42, 43 



corpus Arantii, 36 



disease of, 59 



method of closing, 34, 36 



mitral, 34, 42 



position of, 29 



pulmonary, 36, 38, 42 



use of, 29 

 venous aspiration, 37 

 ventricle, fibres of, 32 

 ventricular relaxation, 38 

 vortex currents, 36 



fibres, 32 

 walls of, 32 

 work of the, 45 

 Heat, amount produced, 385 

 animal, 372 



pathological, 387 

 animals which regulate from 

 birth, 381 



which fail to regulate from 

 birth, 381 

 blood, of, 373, 375 

 body temperature, 373 

 brain, 373 

 calories, their value, 358, 364 



385 

 calorimeter, 346, 385 

 centres, 376, 478 

 clipping, effect on, 383 

 conduction, 377 

 contracting muscles in 375, 



410 

 fatigue fever, 375 



