Licence: Public Domain Mark
Credit: Handbook of physiology. Source: Wellcome Collection.
Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.
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![Reflt'cto-motory acts and nerves, con- tinued. sustained, 424. illustrated, 541. in swallowing, 435. in decapitated animals, 436. after injury of cord, ib. difference in different classes, 437. greater extent of in cold-blooded animals, 438. independent of brain or mind, 439. adaptation of, ib. whar to be so regarded in man, 440. preservative, 441. relation of fifth nerve to, 485. Reflex acts. See Reflecto-motory acts. Refi-action, laws of, 580. Refracting media of eye, ih. Relative life, its phenomena, 2. Renal, arteries, arrangement of, 375. capsules, 359. cells, 375. portal vein, 376. Repair, retarded in paralysis, 328. after injury of cord, ib. Repetition, nutritive, 323. Reproduction, nutritive, ib. Reserve-air, 166. Residual air, ib. Resin, biliary, 271. Respiration, general purpose of, 157. structure of organs of, 158-61. movements of, 161. quantity of air changed in, 165. frequency of, 167. force of, ib, movements of air-tubes in, 168. of air in, 170. of blood in, ib. changes of air in, 171. carbonic acid increased by, 173. oxygen diminished by, 177. nitrogen, alterations in, 180, water exhaled by, 181. changes of blood by, 183, theories of, 185. ii ifluence of nervous system on,187. effects of suspended, 189. types of, 162-5. movements of, autonaatic, 538. Respiration, continued. its relation to the ])ulse, 101. connexion of with the medulla ob- longata, 449. Respiratory food, 207. movements, reflex, 188. extraordinary, 188-9. excited by various stimuli, 449-51. excitement of through nerves, 450. effects of on the venous circula- tion, 144. voluntary, 439. nerves, 189. process, influence of pneumogas- tric nerves on, 503. tract of mucous membrane, 340. Respired air, temperature of, 173. Rest, favourable to coagulation, 46. Restiform bodies, 446. tracts, effects of irritating, 457. Retching, explanation of, 248. Rete testis, 668. Retina, structure of, 575. discernment of impressions on, 416. inversion of images on, 590. duration of sensations on, 596. Rigor mortis, 535. in arteries, 118. Rigidity of involuntary muscles, 536. Roots of spinal nerves, 428. Rotations, following injury of crura cerebelli, 461. produced by dividing the crura cerebri, 464. produced by injury of optic tha- lami, 467. explanations of, ib. of yelk, 677. Round tracts, 446. Rumination. 249. Rhythm of heart. See Heart, 103. Rhythmic movements, 539. S. Saccharine food. 209. principles, digestion of, 243. action of the bile on, 281. Saccnlus, 610. Safety-valve action of tricuspid valve, 94.](https://iiif.wellcomecollection.org/image/b24757214_0784.jp2/full/800%2C/0/default.jpg)