INDEX. 



1049 



Reflex extensor, preparation of reflex 

 frog, 141 

 reflex arc, 140 

 respiratory, from nose, larynx, 



and pharynx, 690 

 special and deep reflexes of cord, 



158 

 spinal reflexes, 141 

 theory of, 143 

 through peripheral ganglia, 149 



vasodilator nerves, 609 

 time of, 145 



Torek's method of studying, 148 

 special spinal, 158 

 spinal, 141 

 Refractive power of eye, 313 

 Refractory period of heart-beat, 569 

 of nerve-cell, 137 

 of nerve-fiber, 118 

 Regeneration in nerve-fibers, 124 

 Reinforcement of knee-kick, 154 

 Reproduction, changes during preg- 

 nancy, 990 

 in uterus in menstruation, 977 

 chemistry of spermatozoa, 999 

 determination of sex, 1008 

 erection, 1000 

 fertilization of ovum, 985 

 functions of placenta, 988 

 general statements, 973 

 growth and senescence, 1010 

 heredity, 1003 

 implantation of ovum, 988 

 mammary glands, 992 

 menstruation, 976 

 nutrition of embryo, 988 

 ovulation, 974 

 parturition, 991 

 properties of spermatozoa, 997 

 relation of ovaries to menstruation, 



978 

 structure and functions of corpus 

 luteum, 974 

 of Graafian follicles, 974 

 Residual air, 647 



Resonance, importance of, in func- 

 tions of ear, 395 

 Respiration, abdominal type, 643 

 acapnia, 698, 705 

 accessory respiratory movements, 



644 

 anatomy of thorax, 636 

 apnea, 696 

 artificial, 648, 658 

 asphyxia, 697 

 aspiratory action of, on blood-flow, 



655 

 automatic action of respiratory 



center, 683 

 bronchoconstrictor and broncho- 

 dilator fibers, 699 

 calorimeter, 955 



Respiration, capacity of the bronchi, 



647 

 chamber, 891 

 chemical composition of inspired 



and expired air, 660 

 Cheyne-Stokes type of, 707, 708 

 complemental air, 647 

 condition of carbon dioxid in blood, 



675 

 costal, 643 



definition of inspiration and expira- 

 tion, 638 

 dissociation of oxyhemoglobin, 673 

 dyspnea, 642, 696 

 effect of anemia upon, 708 



of changes in barometric pressure 

 upon, 704 

 in composition of air, 701 



of muscular work upon, 700 

 exchange of gases in, 660 

 forced, 642 



gaseous exchange in lungs, 677 

 gases of blood, 664 

 history of, 632 

 hyperpnea, 696 



increased heart-rate during inspira- 

 tion, 658 

 injurious effect of the expired air, 



661 

 intrapulmonic pressure, 651 

 intrathoracic pressure, 652 

 mechanism of inspiration, 639 

 methods of recording, 644 

 minimal air, 647 

 modified, respiratorv movements, 



707 

 mountain sickness, 704 

 muscles of expiration, 641 



of inspiration, 641 

 negative pressure in thorax, 653 

 normal stimulus of, 692 



of swallowing, 711 



ventilation of alveoh, 648 

 origin of negative pressure in thorax, 



654 

 physical theory of, 677 

 physiological anatomy of organs of, 



636 

 pneumothorax, 655 

 reflex stimulation of respiratory 



center, 684 

 relation of vagus nerve to, 686 

 residual air, 647 

 respiratory center, 682 



quotient, 705 



waves of blood-pressure, 656 

 secretion of gases in lungs, 680 

 supplemental air, 647 

 tension of gases in alveolar air, 677. 

 680 

 in arterial blood, 680 

 in tissues, 680 



