386 



INDEX 



Positive ventilation, 118 

 Posterior root fibres, connecti(»ns 



of, 273 

 Post-ganglionic fibres, 328 

 Preciptins, 375 

 Pre-ganglionic fibres, 328 

 Pressor effect, 89 



,, substances, 91 

 Primitive vertebrate heart, 52 

 Proline, 161 

 Pro-cestrum, 351 

 Proprioceptive system, 318 

 Prosecretin, 136 

 Prostate, 349 

 Protective synthesis, 372 

 Proteins : 



absorption of, 162 



amount required in diet, 208 



classification of, 161 



hydrolysis of, 161 



nature of, 157 

 Protein-sparing action, 208 

 Proteoses, 162 



Pseudoaffective reflexes, 285 

 Pseudoglobulin, 11 

 Pseudo -pregnancy, 351 

 Psychical processes, location of, 



314 

 Psychical secretion, 123, 128 

 Ptomaines, 143 

 Ptyalin, 123, 183 

 Puberty, 351 



Pulmonary circulation, 95 

 Pulse, 76 



tension of, 79 



volume of, 79 

 Pulse -pressure, 79 

 Pupil, 292 

 Purines, 169 et seq. 



origin of, 1 72 



synthesis of, 172 

 Purkinje fibres, 53 

 Putrescine, 143 

 Pyloric sphincter, 131 

 Pyrexia, 251 

 Pyrimidine bases, 170 

 Pyruvic acid, 168 



Reciprocal innervation, 89, 276 



Red fibres, 36 



Red blood corpuscles, 11 et seq. 



composition of, 12 



enumeration of, 17 



haemolysis of, 12, 375 



life history of, 14 

 Red nucleus, 326 

 Referred pain, 335 

 Reflex action, 272 

 Refraction, errors of, 293 

 Refractory period : 



of muscle, 41 



of nerve, 259 



of the reflex, 274 

 Reinforcement, 279 

 Remak's ganglion, 49 

 Rennin, 129 

 Reproduction, 342 

 Residual air, 115 

 Respiration, 97 et seq. 



action of vagus on, 117 



regulation of, 115 

 Respiratory centre, 19 



exchange, 150 



quotient, 150 

 Retina : 



physiology of, 296 



structure of, 289 

 Retrograde degeneration, 268 

 Rhodopsin, 296 

 Rhythmic segmentation, 139 

 Rickets, 212 



Right lymphatic duct, 27 

 Rigor mortis, 35 

 Rods, functions of, 296 

 Rods of Corti, 304 

 Rush-peristalsis, 141 



Saccule, 319 

 Sacral autonomic, 332 

 Saliva, 123 

 Saponification, 195 

 Sarcolactic acid, 34 

 Sarcolemma, 35 

 Sarcomere, 35 

 Sarcoplasm, 32, 36 

 Sarcostyles, 32, 36 

 Saturated fatty acids, 194 

 Scala media, 303 



