740 



INDEX 



Pars optica hypothalami, 600. 



Partial pressure of gases, 334. 



Parturition, 691, 697. 



Passive movements, perception of, 469. 



Pathogenic bacteria, ingestionof, by leucocytes, 



37. 



Pathology, relation of, to physiology, 4. 

 Pectorales as muscles of respiration, 316. 

 Peduncles of the cerebellum, 593, 612. 

 Pelomyxa, 57. 



Pendulum hydrometric, 210. 

 Pendulum movements of the intestine, 287. 

 Penis, 692, 693. 

 Penta-methyl-endiamin, 249. 

 Pentoses, 81. 

 Pepsin, formation of, 267. 



properties of, 248. 



Pepsin-hydrochloric acid, action of, 291. 

 Pepsinogen, 248. 

 Peptoids, 249. 

 Peptones, 75, 249, 255, 351. 



food value of, 108. 



intestinal juice and, 255. 

 Peptozymes, 250. 



Pericardium, role of, in action of heart, 177. 

 Perilymph, 495. 

 Period of ejection of the heart, 171. 



of relaxation of muscular contraction, 416. 



of rising tension of the heart, 171. 



of shortening of muscular contraction, 416. 



refractory, of heart, 183. 

 of nerves, 429. 

 of nerve cells, 572. 



Peripheral ganglia, 583, 584, Figs. 258, 259. 

 Periphery of retina, adaptation of, to light and 

 dark, 540. 



color vision with, 546. 



vision with, 514. 

 Peripleneta, 56. 

 Peristalsis, 288. 

 Permeability of blood corpuscles, 33, 34. 



of cross-striated muscles, 34. 



of living and dead membranes, 34. 

 Perspiration, see Sweat. 



insensible, 394, 397. 

 Pfliiger's law, 423. 

 Phagocytosis, 37, 54. 

 Pharynx, action of, in swallowing, 280. 

 Phenol, 295, 378, 379. 

 Phenolphthalein, 147, 379. 

 Phenol-sulphuric acid, 379. 

 Phenyl-acetic acid, 378. 

 Phenylalanin, 71, 72, 249. 

 Phenyl-propionic acid, 378. 

 Phlebin, 150. 



Phloridzin, 127, 374, note, 375. 

 Pholas, 45. 



Phospho-camic acid, 413. 

 Phosphorescence, 45. 



Phosphorus, absorption of, 132. 



excretion of, 132. 



in iodothyrin, 362. 



in proteids, 75, 76, 82. 

 Phosphorus poisoning, 129. 

 Photography, registration by, 13. 

 Phototaxis, 57. 

 Phrenic nerve, 324, 331. 

 Phrenology, 630. 

 Phylloporphyrin, 152. 

 Physical methods of investigation, 4. 

 Physiological salt solution, 53. 

 Physiology, general and special, 15. 



province of, 2. 

 Pigment granules, 22. 

 Pigments in the bile, 253. 



in the blood, 150. 



in the eye, 527, 537. 



in muscle, 414. 



in urine, 383. 



Pilocarpine and formation of urine, 389. 

 Pilomotor fibers, 687, 688. 



connection of, with ganglion cells, 582. 

 Pineal body, 600, 613. 

 Pitch of sound, 489. 



of human voice, how caused, 505. 

 Pituitary body, internal secretion of, 367. 

 Placenta, 698. 



Plasma, chemical constitution of, 154. 

 Plasmolysis, 33. 

 Plastic foodstuffs, 111. 

 Platelets of the blood, 153. 

 Plethysmograph, 211, Fig. 83. 

 Plethysmographic curve, 212, Fig. 84. 



in sleep, 677, Fig. 299. 

 Plexus, cardiac, 191, Fig. 67. 



hypogastric, 392, Fig. 145; 393, 694. 



myentericus, 288. 



of Auerbach, 284, Fig. 114; 288, 687. 



of Meissner, 288, 687. 



vesical, 392, Fig. 145. 

 Pneumographic curve, 313, Fig. 121. 

 Poikilothermous animals, 46, 442. 

 Poisons, physiological significance of certain, 



574. 



Poisonous constituents in expired air, 344. 

 Poisseuille's formula, 222. 

 Polar law of excitation, 424. 

 "Polar failure" of excitation, 428. 

 Polarizing current, 425, 434. 

 Polysaccharides, chemical constitution of, 82. 



properties of, 81. 

 Polystomella, 17, Fig. 14. 

 Pons, 600, 612. 

 Portal circulation, 137, 162. 

 Portal vein, 162; see also Eck fistula. 

 Position of the body, influence of, on flow of 

 blood, 226, Figs. 93, 94; 227. 



perception of, 469, 481. 



