44G 



INDEX. 



Pancreatic juice, approximate amount 



daily secreted, 434 

 Piinniculus adippsus, 769 

 Papillae of dennis, 686 

 of tongue, iv. 255 

 foliate, iv. 255 



Paraglobulin a constituent of blood- 

 serum, 19 

 ,, precipitated from plasma, 



23 



in white corpuscles, 40 



Parapeptoae, 370 

 Paraplegia, reflex action in, 913 

 Parotid gland, 389 



,, nerve supply to, 401 

 ,, cell-changes in, 407 

 Parturition, iv. 395402 



mechanisms of, iv. 39 

 a reflex act, iv. 399 

 inhibition of, iv. 402 

 Pedui cles 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, iv. 371 

 ,, ,, nerves concerned in mecha- 



nism of, iv. 371 

 ,, striated muscles assisting, 



iv. 371 



,, nervous centre for, iv. 372 



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, 



iv. 389 



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, timerequired for, 11 24 

 ,, ,, * and judgments, iv. 155 

 psychical modifications 



of, iv. 125 



,, and judgments, auditory, 

 iv. 231, 245 



,, ,, ,, olfactory, iv. 250 



,, tactile, iv. 302 



Pericardial flnid, its persistent fluidity in 



pericardial bag, 28 

 Periodic events of life, iv. 412 

 Peripheral region, blood-pressure in, 209 

 ,, resistance defined, 211 



Peripheral resistance, the part it plays in 

 the circulation, 211214 

 ,, ,, illustrated by model, 214 

 ,, ,, lowered by action of depres- 

 sor nerve, 325 

 ,, ,, affected by vaso - motor 



changes, 319 



,, ,, by condition of vas- 



cular walls, 389 

 ,, ,, ,, 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, Helmholz's, iv. 21 

 Phantoms, ocular, iv. 132 

 auditory, iv. 241 

 ,, tactile, iv. 305 

 Phases of life, iv. 403 

 Phenol, a bacterial product in digestion, 



477 



,, compounds of, in urine, 650 

 Phonation, nervous mechanism of, iv. 325 



,, centre for, iv. 326 

 Phloridzin, temporary diabetes produced 



by, 732 



Phosphates in muscle ash, 102 

 ,, ,, nerve ash, 123 

 ,, ,, urine, 651 

 Phosphenes, iv. 77 

 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, iv. 115 

 Physiology, divisions of, 3 

 ,, problems of, 9 

 Physiological unit defined, 6 

 Physostigmin, its effect on pupil con- 

 traction, iv. 43 



