INDEX 



Q. 



Quadrupeds, retime of, 667. 



R. 



Radiation of impressions, 486, 499. 

 Rectum, 309. 



evacuation of, a reflex act, 505. 



mechanism of, 292. 

 Reflexion of impressions, 486. 



by medulla oblongata, 515. 



by spinal cord, 499. 

 Reflex actions, 486, 499. 



in accidents, 506. 



conditions necessary to, 487. 



in disease, 507. 



examples of, 501, 505. 



excito-motor and sensori-motor, 

 504, note. 



general rules of, 487. 



independent of mind,487, 501-505. 



influence of cord on, 500, 507. 



irregular in disease, 487. 



after separation of cord from 

 brain, 501, 505. 



purposive in health, 487. 



relation of fifth nerve to, 546. 



relation to volition, 505. 



to walking, limning, etc., 506. 



sustained, 488. 



in tetanus, etc., 507. 

 Eeflex functions of medulla oblon- 

 gata, 515. 



of spinal cord, 500. 

 Eefracting media of eye, 642. 

 Refraction, laws of, 642. 

 Renal arteries, arrangement of, 444. 



veins, blood of, 89. 

 Repair. See Nutrition. 



retarded in paralysed parts, 386. 

 Repetition, nutritive, 382. 

 Reproduction, nutritive, ib. 

 Reserve air, 201. 

 Residual air, ib. 

 Respiration, 186. 



abdominal type of, 198. 



ammonia and other products ex- 

 haled by, 218. 



carbonic acid increased by, 211. 



changes of air in, 210, 

 of blood in, 219. 



costal types of, 198. 



Respiration, continue?. 

 force of, 203-207. 

 frequency of, 203. 

 influence of brain on, 504. 

 of medulla oblongata, 225-227 



, 513-516. 



of pneumogastric nerve, 5 14, 560. 

 mechanism of, 194. 

 movements of, 195. See Respira- 

 tory movements, 

 of air in, 208. 

 of blood in, ib. 

 nitrogen in relation to, 216. 

 oxygen diminished by, 215. 

 quantity of air changed in, 201. 

 relation of to the pulse, 126. 

 structure of organs of, 188-194. 

 suspension and arrest of, 227. 

 temperature of air increased by, 



210. 



types of, 198. 



watery vapour exhaled in, 217. 

 Respiratory capacity of chest, 202. 

 function of skin, 436. 

 movements, 195-199. 

 of air tubes, 207. 

 centre of, the medulla oblongata, 



514. 



effect of on circulation, 1 73. 

 excited through nerves, 515. 



by various stimuli, 516. 

 of expiration, 198. 

 of glottis, 200. 

 influence on amount of carbonic 



acid, 212. 

 of inspiration, 195. 

 relation to will, 504. 

 various, mechanism of, 200. 

 muscles, 195, 199. 

 power of, 204. 

 secondary, 227. 

 nerves, 227. 

 rhythm, 200. 



tract of mucous membrane, 399. 

 Rest, favourable to coagulation, 66. 

 Restiform bodies, 510, 512. 

 Retching, explanation of, 290. 

 Rete mucosum, 420. 



testis, 732. 



Retiform tissue, 267, 298, 355. 

 Retina, 638. 



duration of impressions on, 659. 



of after-sensations, 659. 

 effect of pressure on, 665. 



