1038 



INDEX. 



Pubertal gland, 885, 987 

 Puberty, 967, 987 



Pulmonary arteries, vasomotors of, 

 623 " 



circulation, peculiarities of, 518 

 variations of, pressure in, 519 

 Pulse, anacrotic waves of, 526 



catacrotic waves of, 525 



form of wave, 524 



general statement, 520 



varieties of, in health and disease, 

 527 



velocity of propagation of, 521 



venous, 528 

 Pulse-pressure, 493 

 Pulsus irregularis perpetuus, 563 

 Purin bases, 64, 850 

 Purkinje, images of, 314 



phenomenon, 349 

 Putrefaction in intestines, 808 

 Pyloric glands of stomach, 768 



secretion of, 779 

 Pyramidal tract in brain, 197 



in spinal cord, 178 



Pyrrol compounds in protein mole- 

 cule, 795 



Pyrrolidin-carboxylic acid, 795, 1009 

 Pyruvic acid, 908 



QUADRANT hemianopia, 211 

 Quotient, respiratory, 708 



REACTION of degeneration, 93 



time, 112 



Reactions, biological, 425 

 for proteins, 1011 

 Gmelin's, 814 

 of blood, 416 



of contents of small intestine, 807 

 of urine, 843 

 Pettenkofer's, 816 



Recessive characteristics in inherit- 

 ance, 997 



Reciprocal innervation, 148 

 Recurrent sensibility of anterior roots, 



82 



Red blood-corpuscles, chemical com- 

 position of, 448 

 condition of hemoglobin in, 420 

 effect of hemorrhage upon, 438 

 hemolysis of, 421 

 number and size of, 420 

 origin and fate of, 437 

 variations in number of, 439 

 fibers in muscles, 19, 26 

 Reduced hemoglobin, 428 



schematic eye, 310 

 Reflex actions, axon reflexes, 151 

 classification of, 142 

 conditioned, 190 



Reflex actions, definition and histor- 

 ical, 140 

 deep, 160 



unconditioned, 190 

 extensor thrust, 158 



from parts of brain, 149 

 influence of condition of cord on, 



149 



of sensory endings upon, 145 

 inhibition of, 147 



of heart, 586 

 knee-jerk, 155 

 myenteric, 726 



of erection and ejaculation, 992 

 of respiratory center, 688, 692 

 of vasomotor nerves, 611 

 preparation of reflex frog, 142 

 reflex arc, 141 

 respiratory, from nose, larynx, 



and pharynx, 693 

 special and deep reflexes of cord 



160 



spinal reflexes, 142 

 theory of, 144 

 through peripheral ganglia, 150 



vasodilator nerves, 618 

 time of, 146 



Turck's method of studying, 149 

 special spinal, 160 

 spinal, 142 



Refractive power of eye, 317 

 Refractory period of heart-beat, 575 

 of nerve-cell, 139 

 of nerve-fiber, 119 

 Regeneration in nerve-fibers, 125 

 Reinforcement of knee-kick, 155 

 Reproduction, changes during preg- 

 nancy, 981 



in uterus in menstruation, 968 

 chemistry of spermatozoa, 990 

 determination of sex, 999 

 erection, 991 

 fertilization of ovum, 976 

 functions of placenta, 979 

 general statements, 964 

 growth and senescence, 1001 

 heredity, 994 



implantation of ovum, 978 

 mammary glands, 983 

 menstruation, 967 

 nutrition of embryo, 979 

 ovulation, 965 

 parturition, 982 

 properties of spermatozoa, 988 

 relation of ovaries to menstrua- 

 tion, 969 

 structure and functions of corpus 



luteum, 965 



of Graafian follicles, 965 

 Residual air, 654 



Resonance, importance of, in func- 

 tions of ear, 398 



