430 



ESSENTIALS OF PHYSIOLOGY. 



Proteins, hydrolysis of, 9. 



molecule, 8. 



monoamino-nitrogen in, 14. 



pancreatic digestion of, 314. 

 Proteose, 9, 303. 

 Prothrombin (see Thrombogen). 

 Protopathic sensibility, 111. 

 Protoplasm, 2 



Pseudo-solution of colloids, 16. 

 Psychical secretion of gastric juice, 306. 

 Ptyalin, 292. 

 Puberty, changes at, 415. 

 Pulmonary circulation, 180. 



ventilation, 266. 

 Pulse, 204. 



anacrotic, 206. 



dicrotic wave, 205, 207. 



katacrotic, 206. 



percussion wave, 205. 



predicrotic wave, 205. 



pressure, 185. 



primary wave, 205. 



rate of, in man, 179. 



reflected wave, 206. 



velocity of wave, 205, 206. 



venous, 208. 

 Pupil, 115. 



contraction of, 128 } 129. 



dilatation of, 128, 130. 

 Purine bases, 11, 359. 



in urine, 386. 



metabolism of, 359. 



ring, 11, 359. 

 Purkinje cells, 72. 



fibres, 214. 



images, 131. 

 Pyloric canal, 309. 



sphincter, 309. 



vestibule, 309. 

 Pylorus, 312. 



opening of, 312. 

 Pyramidal cells, 81. 



decussation, 66. 



tracts, 52, 83, 94. 

 Pyrrol ring, 12. 

 Pyruvic acid, 345. 



Kami communicantes, 101. 

 Reaction time, 134. 

 Reactions, reversible, 289. 

 Receptive substance, 404. 



action of adrenalin on, 404. 

 Receptor organ, 58, 106. 

 Reciprocal inuervation, 60. 

 Red-blindness, 135. 

 Red corpuscles, 155. 



marrow, 164. 



nucleus, 77. 

 Reduced eye, 122. 



reflex time, 59. 

 Reflex action, 58. 



facilitation of, 62. 



Reflex action, fatigue of, 59. 

 inhibition of, 60. 

 in spinal animal, 58, 60. 

 reinforcement of, 64. 

 Reflex arc, 58. 

 scratch, 61. 

 time, 58. 

 tone, 65. 

 Reflexes, 58. 

 axon, 103, 230. 

 prepotent, 61. 

 Refraction, 121. 



in reduced eye, 122. 

 Refractory period, 34. 213. 

 Regeneration of nerve, 46; 

 Reinforcement, 64. 

 Reissner's membrane, 143. 

 Remak's ganglion, 210. 

 Renal excretion (see Kidney). 

 Rennin, 304. 

 Reproduction, 410. 

 female organs of, 411. 

 male organs of, 410. 

 Reservoir action of lungs, 203. 

 Residual air, 249. 

 Resonance, 147. 

 Respiration, 244. 

 apparatus, Benedict's, 340. 



Haldane and Pembrey, 342. 

 chemical regulation of, 265. 

 chemistry of, 250. 

 Cheyne-Stokes, 277. 

 effect of changes in air on, 265. 



of changes in barometric' pressure on, 



281. 



on circulation, 283. 

 of division of vagi on, 272. 

 of exercise on, 275, 285. 

 nervous regulation of, 272. 

 rate of, 249. 

 Respiratory centre, 263. 



action of vagus on, 272. 

 automaticity of, 264. 

 chemical excitants of, 265. 

 exchange, 260. 

 movements, 246. 



Head's method, 265. 

 muscles, 246, 247. 

 passages, 244. 

 quotient, 250, 341. 

 effect of foods on, 343. 

 in diabetes, 354. 

 in hibernation, 348. 

 in muscujar work, 343, 362. 

 sounds, 249. . ^ 

 Restiform body, 68, 73. 

 Retina, 116. 



chemical changes in, 130. 

 electrical changes in, 131. 

 histological changes in, 130. 

 Retinal image, 121, 130. 



induction, 137. 

 Reversibility of ferment .action, 289. 



