INDEX 



645 



Radial artery, 330. 



Radio-ulnar articulation, 76. 



Radius, 66. 



Range of human voice, 552. 



Ranvier, nodes of, 138. 



Rate of blood flow, 368; of nerve im- 

 pulse, 156; of pulse-wave, 365. 



Reaction of blood, 295. 



Reactions, emotional, 197. 



Reason, faculty of, 190. 



Receptaculum chyli, 382. 



Receptive tissues, see Irritable tissues. 



Receptor system, 204. 



Receptors, classification of, 206. 



Recessive characters, 574. 



Record, graphic, 94. 



"Recovery" oxidation in muscle, 

 110. 



Rectum, 455. 



Rectus abdominis, 83. 



Rectus muscles of eye, 246. 



Red blood corpuscles, 295; color, 296; 

 composition, 297; consistency, 297; 

 form and size, 295; number, 297; 

 origin and fate, 299; structure, 296. 



Red nucleus, 153. 



Reduced hemoglobin, 418. 



Reduction division, 561. 



Reflex, definition of, 157; myenteric, 

 474. 



Reflex animal, compared with nor- 

 mal, 169. 



Reflex control of autonomic system, 

 194. 



Reflex arcs, 158; of cortex, 179; va- 

 riability in, 159. 



Reflex time, 180. 



Reflexes, control of by head senses, 

 163; cortical compared with spinal, 

 180; locomotor, 166; mediated by 

 spinal cord, 162; postural, 167; 

 spreading of, 162. 



Refracting media of eye, 254. 



Refraction, 255; in the eye, 259; 

 index of, 256; law of, 256; of lenses, 

 257; of light, 255. 



Refractory period of heart, 348. 



Regeneration, 558. 



Regio olfactoria, 239. 



Regulation of temperature, 40, 539. 



Reissner, membrane of, 233. 



Relaxation of muscle, 111. 



Renal artery, 331, 520; excretion, 

 524; organs, 518; vein, 520. 



Rennin, 464. 



Repair of fractured bone, 48. 



Reproduction, 21, 557; sexual, 560. 



Reproductive organs, accessory, 562; 

 female, 567; male, 563. 



Reproductive system, 40; hormones 

 of, 583. 



Reproductive tissues, 34. 



Residual air, 397. 



Resistance, capillary, 356. 



Resistance, synaptic, 161; to in- 

 fection, 306. 



Resonance, 225. 



Resonants, 554, 555. 



Respiration, 386; abdominal, 398; 

 artificial, 408; chemistry of, 410; 

 costal, 398; external, 386; forced, 

 396; hygiene of, 398; influence of 

 on circulation, 400; on lymph flow, 

 401; internal, 386; nerves of, 402; 

 rhythmic character of, 403; tissue. 

 386, 425. 



Respiratory center, 401; action of 

 vagi on, 404; excitation of, 403; 

 reflex influence on, 402; sensitive- 

 ness of, 405; changes in muscular 

 exercise, 425; movements, 391; 

 movements, modified, 408; organs, 

 386; sounds, 397; tissue, 31. 



Response of muscle to rapidly re- 

 peated stimuli, 102. 



Reticular membrane, 234. 



Retina, 35, 243, 250; blood vessels of, 

 251 ; distribution of color sense over, 

 279; localizing power of, 274; mi- 

 croscopic structure of, 252; nervous 

 elements of, 253. 



Rheumatism, 344. 



Rhythmic segmentation, 476. 



Rhythmicity of heart, 347; nature of, 

 350. 



Rib cartilage, 64. 



Ribs, 55, 63. 



Rigor, chloroform, 109; mortis. 92. 



Rods of Corti, 234. 



Rods of retina, 252; excitation of, 268; 

 function of, 272. 



Rolando, fissure of, 176. 



Roots of spinal nerves, 147. 



Rotation, movements of, 72, 74; of 

 radius over ulna, 66, 75, 129. 



Roughage, 429; importance of, 478. 



Round foramen, 227. 



Running, 128. 



Rupture, 563. 



Sac, lachrymal, 246. 



Sacculus, 232. 



Sacral autonomies, 195; plexus, 150; 

 vertebrae, 60. 



Sacrum, 52, 55, 59, 67. 



Saint Vitus' dance, 94. 



Saliva, 463. 



Salivary glands, 39, 447. 



Salivary secretion, control of, 484. 



