1584 



INDEX. 



Pancreatic juice, approximate amount 



daily secreted, 434 

 Panniculus adiposus, 769 

 Papillae of dermis, 686 

 ,, of tongue, 1393 

 foliatse, 1393 



Paraglobulin a constituent of blood- 

 serum, 19 

 ,, precipitated from plasma, 



23 



in white corpuscles, 40 



Parapeptone, 370 

 Paraplegia, reflex action in, 913 

 Parotid gland, 389 



,, ,, nerve supply to, 401 

 ,, ,, cell-changes in, 407 

 Parturition, 1533-1540 



mechanisms of, 1534 



,, a reflex act, 1537 



,, inhibition of, 1540 



Peduncles of the cerebellum, superior, 9 93 

 ,, ,, ,, middle, 995 



,, ,, inferior, 874, 



937, 950 



,, ,, ,, general connec- 



tions of, 1111 



Pelvis of kidney, structure of, 678 

 Pendulum myograph, 70 

 Penis, erection of, 1509 



,, nerves concerned in mecha- 



nism of, 1509 

 ,, striated muscles assisting, 



1509 



,, ,, nervous centre for, 1510 



Pepsin, the ferment body of gastric juice, 



373 

 ,, proteids converted into peptone 



by, 374 

 ,, secreted by the 'chief gastric 



cells, 419 

 ,, in the foetal gastric membrane, 



1527 



Pepsinogen, an antecedent of pepsin, 415 

 Peptone formed from proteids by gastric 



juice, 365, 369 

 ,, ,, ,, by pancreatic 



juice, 374 



test for, 369, 370 

 ,, its absence from chyle, 514 

 its course during absorption, 515 

 as food, 799 



Perceptions, visual, time required for, 1124 

 ,, ,, and judgments, 1293 



,, ,, psychical modifications 



of, 1263 



,, and judgments, auditory, 



1379, 1383 

 ,, ,, olfactory, 1388 



tactile, 1440 

 Pericardial fluid, its persistent fluidity in 



pericardial bag, 28 

 Periodic events of life, 1550 

 Peripheral region, blood-pressure in, 209 

 ,, resistance denned, 211 



Peripheral resistance, the part it plays 

 in the circulation, 211-214 

 ,, ,, illustrated by model, 214 

 ,, ,, lowered by action of depres- 

 sor nerve, 325 

 ,, ,, affected by vaso - motor 



changes, 319 



>i it ,i by condition of vas- 

 cular walls, 339 

 ii ,, ,i by changes in character 



of blood, 339 



,, zone in capillary contents, 335 

 ,, blood-platelets present in, 

 during inflammation, 337 

 Peristaltic contractions of unstriated 



muscle, 159 

 ,, movements of alimentary 



canal, 455 

 ii ,, excited by stimulation 



of vagus, 465 

 )i i, influences bearing on, 



468 



,, of ureter, 680 



,, of bladder, 683 



Personal equation as affecting reaction- 

 time, 1120 



Perspiration, nature and amount of, 694 

 ,, secretion of, 699 

 regulation of temperature by, 811 

 Pes of crus cerebri, 984 

 Peyer's patches, absent in large intestine, 



451 

 ,, presence of in small intestine, 



489 



structure of, 491 

 Pfliiger's gas pump, 555 

 Phakoscope, Helmholtz's, 1159 

 Phantoms, ocular, 1270 

 ,, auditory, 1379 



,, tactile, 1443 



Phases of life, 1541 

 Phenol, a bacterial product in digestion, 



477 



,, compounds of, in urine, 650 

 Phonation, nervous mechanism of, 1463 



,, centre for, 1464 

 Phloridzin, temporary diabetes produced 



by, 732 



Phosphates in muscle ash, 102 

 ,, ,, nerve ash, 123 



urine, 651 



Phosphenes, 1215 

 Phosphorus, a constituent of nuclein, 40, 



799 



,, ,, of serum, 50 



ii ,, of nerve-tissue, 121 



_ of milk, 782 



itsimportanceinorganisms,799 

 Photochemistry of the retina, 1253 

 Physiology, divisions of, 3 

 ,, problems of, 9 



Physiological unit defined, 6 

 Physostigmin, its effect on pupil-con- 

 traction, 1181 



