INDEX 



917 



PYLORIC GLANDS. 



Pyloric glanda, 507, 508 



orifice, 553, 554 

 Pyramidal tracts, 655 

 Pyramids of medulla oblongata, 661 



of kidney. See Kidney. 

 Pyrimidine bases, 421 

 Pyrrhol blue, 890 

 Pyrrolidine derivatives, 421 



R. 



Racemose glands, 496 

 Kami communicantes, 196 

 Ranke's diet, 394, 628 

 Ranvier's clasmatocytes, 31 

 Ranvier's crosses, 75 

 Ranvier's nodes, ib. 

 Raynaud's disease, 312 

 Reaction time in man, 720 



velocity, 328 



Reactions of proteins, colour, 425 

 Receptive groups, 475 



substances, 164 

 Recurrent sensibility, 156 

 Rectum, the, 562 

 Red marrow, 41 

 Reduced eye, 821 

 Reductases, 440 

 Reflex arc, 711 



actions, 145, 188, 709 et seq. 



inhibition of, 253, 719 



in frog, 709 



in man, 145, 711 

 superficial, 711 

 tendon, 712 



of dog, 719 



of nerves, 145 



of spinal cord, 709 et seq. 



" scratch," 719 

 Reflex secretion, 504 

 Reflexes, 



cumulation of, 710 



inhibition of, ib. 



spinal visceral, 721 



spreading of, 710 



uterine, 722 



Refraction, laws of, 821 

 Refractive media of eye, ib. 

 Reid, osmotic pressure, 828 

 Reil, island of, 688, 692, 694 

 Reissner's fibre, 644 

 Reissner's membrane, 792, 794 

 Relaxation of heart, 232 

 Remak, fibres of, 77 



ganglion of, 255 

 Renal circulation, 215, 580 



epithelium, 577 



oncometer, 572 



plexus, 571 



Rennet or rennin, 440, 483, 514 

 Reproductive organs, 6, 858 et seq. 



development of, 858 ct seq. 



female, 867 et seq. 



male, 863 et seq. 



physiology of, 872 et seq. 

 Requisites of diet, 613 

 Reserve air, 359 

 " Reserve force," 625 

 Residual air, 359 

 Resistance, peripheral, 264 

 Resonance theory, 798 

 Respiration, 346 et seq. 



abdominal type, 355 



adaptation to high altitudes, 401 



alteration in atmospheric pressure, 362 



artificial, 383 



RHEOCHORD. 



Respiration continued 



breathing or tidal air, 359 



cause and regulation of, 375 ct seq. 



chemical cause of, 380 



chemistry of, ib. 



Cheyne-Stpkes, 404, 405 



effect on circulation, 385 



effect on nutrition, 392 



gases in relation to, 361 et seq. 



at high pressure, 402 



influence of nervous system, 376 



intensity of, 399 



mechanism of, 354 et seq. 



movements, 356 



nervous factor in, 376 

 of vocal cords in, 804 



quantity of air changed, 358 



record of, 356 



tissue, 397 



Respirations, number of, in healthy person, 359 

 Respiratory acts, special, 381 



apparatus, 346 



capacity of chest, 359 



centre, 375 

 methods of recording, 356 



muscles, 354 et seq. 



muscular force of, 360 



nerve-centre, 376 



rate, 360 

 relation to pulse-rate, ib. 



rhythm, 388 



sounds, 357 

 " Rest cure," 625 

 Restiform bodies, 661, 669 

 Rete mucosum, 604 

 Rete testis, 864, 865 

 Reticulum, 7, 18 



of the thymus, 337 

 Retiform tissue, 28, 85 

 Retina, 811, 814 



blind spot, 834, 849 



blood-vessels, 820 



changes in, during activity, 847 



duration of impression on, 836 

 of after-images, 844 



electrical variations in, 849 



elements of, schema, 81( 



excitation of, 836 



focal distance of, 824 



fovea contrails, 835 



functions of, 834 



identical points of, 852 



image on, how formed distinctly, 823 



layers, 815 et seq. 



meaning of term, 845 



nervous elements of, 816 



ora serrata, 814 



pigment-cells, 82, 818 

 movement of, 847 



in relation to single vision, 850 



structure of, 818 



visual purple, 847 

 Retinitis pigmentosa, 849 

 Retinoscope, 831 

 Retraction of eyeball, 849 

 Retractor lentis muscle, 828 

 Reversibility, 329 

 Reymond, l5u Bois, 



currents in muscle prism, 121-123, 125, 126 



electrical variation in spinal cord, 743 



induction coil, 90 



key, 88, 89 



non-polarisable electrodes, 119 



spring myograph, 94 

 Rheochord, 174 



Poggendorfs, 170 



