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, 993 



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, 11 24 

 ,, 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 defined, 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 



by condition of vas- 

 cular walls, 339 

 11 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 

 ,, excited by stimulation 



of vagus, 465 

 ,, ,, 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 

 Pho nation, 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 



of nerve-tissue, 121 



of milk, 782 



,, its importance in organisms,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 



