INDEX 



1311 



Posterior longitudinal bundle, 380, 389, 



407 



Postural tone, 450 

 Potassium, 43 

 Pregnancy, 1282 



in spinal animal, 333 

 Pressor impulses, 1044 

 Pressure, intrathoracic, 1094 

 Principal point of eye, 522 

 Projection, tactile, 633 

 Proline, 84 



Proprioceptive system, 395 

 Propriospinal fibres, 354 

 Protamines, 94, 99 

 Proteid, 98 (footnote) 

 Proteins, 45, 71-106 



absorption of, 790 



action of bacteria on, 76 



of intestinal juice on, 766 



of neutral salts on, 94 



of pancreatic juice on, 749 



alkaloidal reaction of, 93 



amino-acids of, 80 



aromatic constituents of, 83 



behaviour with acids and alkalies, 

 147 



biological value of, 691 



of blood plasma, 909 



building up of, 86 



carbohydrates contained in, 86 



chemical analysis of, 79 



chemistry of, 71-106 



coagulation of, 93 



colour reaction of, 92 



compounds with salts, 93 



conjugated, 98 



crystallisation of, 72 



derivatives of, 96 



digestion of, 76, 730, 749, 766 



disintegration products of, 80 



distribution of nitrogen in, 90 

 .elementary composition of, 71 



empirical formuli of, 74 



formation of fat from, 831 



gastric digestion of, 730 



hydrolysis of, 75, 96 



isomerism in, 88 



metabolism of, 801-817 



influence of carbo- 

 hydrates, 846 



molecular structure of, 75 

 weight of, 73, 90 



origin of aromatic constituents, 11C 



osmotic pressure of, 75 



physical structure of, 72 



precipitation of, 94 



putrefaction of, 76 



significance of, 688 



surface phenomena in, 21 



specific dynamic action of, 681, 

 688, 804 



sulphur in, 85 



synthesis of, 87 



in plant, 111-117 



tests for, 92 



transport in plant, 112 



varying constitution of, 89 



vegetable, 96 



Proteoses, fractional separation of, 730 

 Protopathic sensibility, 635 



Protoplasm, 14 



Altmanns granules in, 17 



definition of, 15 



elementary constituents of, 



36-44 



fibrillar theory of, 18 

 granular theory of, 17 

 physical structure of, 17 

 proximate constituents of, 



45-106 



ultramicroscopic structure of, 20 

 Pseudo-ions, 147 

 Pseudomucins, 104 

 Pseudopodia, 33 

 Pulse, arterial, 962 



causation of secondary elevations in, 



967 

 -curves, 970 



abnormalities in, 972 

 - effect of exercise on, 1056 

 -rate, influence of altitude on, 1151 



in man, 1024 ) 



velocity of transmission of, 967 

 Pupil, Argyll Robertson, 512 

 contraction of, 507 

 dilatation of, 509 

 effect of drugs on, 509, 513 

 movement of, 507 

 reflex paths of, 553 

 Purine bases, 100 



origin in plants, 115 

 metabolism of, 818 

 synthesis of, 116 

 PurJcinje's fibres of heart, 994 



figures, 554 



Putrefaction of protein, 76 

 Pyramidal tracts, 352, 422 

 decussation, 365 

 Pyrimidine, 101 

 Pyrrol, 84 



metabolism of, 816 

 origin in plants, 115 

 Pyruvic acid, 804 



as stage in fat formation, 119 



QUOTIENT, EBSPIEATORY. See Respiratory. 



COMPOUNDS, 52 



Rami communicantes, 468 

 Reaction of blood, 904 



chemical, velocity of, 169 

 of urine, 1161 



estimation of, 1175 

 based on consciousness, 482 

 cerebral, time relations of, 457 

 -time, 457 

 Receptor cells, 295 



substance, 277 



excitation time of, 277 

 Reciprocal innervation, 339 



of eye movements, 



497 



in iris, 511 

 of voluntary muscles, 



335 



Recurrent sensibility, 323 

 Red marrow, 875 

 nucleus, 370 

 Reduced eye, 524 

 Reduction, mechanism of, 156 



