INDEX 



739 



Osmotic phenomena, significance of, for pro- 

 duction of urine, 387. 

 Osmotic pressure, definition of, 31. 

 Osmotic tension in animal cells, 35. 



in plant cells, 33. 

 Osse'in, 78. 



Ossicles of middle ear, 495. 

 Otolith, 481. 



Otolith sacs, functions of, 481. 

 Ovaries, 695. 



internal secretion of, 358. 

 Overtones, definition of, 491, 492, Fig. 194. 



in human voice, 505. 

 Oviduct, 695. 

 Ovovitellin, 79. 

 Ovulation, 696. 

 Oxalic acid, 41, 376, 377, 383. 

 Oxidation, 27; see also Combustion. 

 Oxidative processes in cells, 39. 

 Oxyacids, aromatic, 378. 

 Oxybenzuric acid, 378. 

 Oxybutyric acid, 376, 384. 



Oxyethyl-trimethyl-ammoniurn hydroxide, 78. 

 Oxygen, absence of, effect on eggs of, 26. 

 behavior of frogs in, 27. 

 suitability of, for certain Bacteria, 28. 

 absorption of, by blood, 336, 337, Fig. 131. 



total in man, 346. 

 activation of, 19, note. 



amount of, absorbed under different circum- 

 stances, 346. 



consumed by elementary organisms, 27. 

 coefficient of absorption of, 336. 

 combination of, in blood, 336. 

 determination of, in blood, 334, Fig. 130; 



335. 



in metabolism experiments, 86, 88. 

 distribution of, in blood, 340. 

 importance of, for development, 26, 27. 

 increased consumption of, in fatigue, 446. 

 partial pressure of, in alveolar air, 336. 

 percentage of, in arterial and venous blood, 



339. 



in expired air, 343. 

 in inspired air, 342. 

 stored in loose compounds, 27. 

 tension of, in blood, 341. 



in lymph, 348. 

 Oxyhsemoglobin, 150, 151. 



absorption spectrum of, 151, Fig. 47. 

 Oxymonamino acids, 70. 

 Oxvphenyl-amino-propionic acid, 71. 

 Oxyproteic acid, 373, 382. 

 Oxypyrimidin, 76. 

 Oxypyrrolidin-carboxylic acid, 72. 



Pain, 465. 



after hemilesion of the cord, 597. 

 area for, in cortex, 652. 



Pain, end organs of, 468. 



nerves, (?) 467. 



physiological cause of, 466. 



tract for, in the cord, 597. 

 Pain points in the skin, 467. 

 Pains, labor, 698, Fig. 302. 

 Palccmonetes, 60, Fig. 34. 

 Pallium of the brain, 600. 

 Palmitic acid, 79. 

 Palmitin, 79, 701. 



Pancreatic diabetes, 127, 128, 362, 375. 

 Pancreatic fistula, 243, 251. 

 Pancreatic juice, 251. 



action of, on carbohydrates, 251, 297. 

 on fats, 253, 295. 

 on proteids, 252, 294. 



enzymes in, 251, 271, Fig. 108. 



influence of bile on, 251, 294. 



of food on, 270, Fig. 107; 271, Fig. 108. 



properties of, 251. 



secretion of, 269. 



daily course of, 270, Figs. 106, 107. 

 nervous control of, 269. 

 Pancreas, effects of extirpation of, 127, 362, 375. 



internal secretion of, 362. 



morphological changes in, 272, Fig. 109. 



specific excitants of, 270, 271. 

 Papillary muscles, action of, 166. 

 Paracasein, 250. 



Paracentral lobule, 638, 639, Fig. 290; 652. 

 Paracresol, 379. 

 Paracresol-sulphuric acid, 379. 

 Paralactic acid, 155. 

 Paralysis, definition of, 50, 65. 



following partial destruction of the cord, 596. 



following removal of motor cortex, 644. 

 Paramaecium, chemotaxis of, 55. 



directive influences on, 55, 59, note. 



electrical stimulation of, 59. 



geotaxis of, 56. 



motor response of, 55, Fig. 32. 



starvation of, 28. 



thermotaxis of, 59. 



thigmotaxis of, 56. 

 Paramyosinogen, 413. 

 Paranuclein, 75. 



Para-phenyl-amino-propionic acid, 71. 

 Parenchyma cells of root cortex, 21, Fig. 16. 

 Parietal cells, 267. 



secretion capillaries of, 267, Fig. 105. 

 Parietal convolutions, see Central convolutions. 

 Parietal lobes, 624, Fig. 280; 645. 

 Parotid glands, innervation of, 257, 258. 



morphological changes in, 260, Fig. 100; 261, 



Fig. 101. 



Paroxy-benzuric acid, 378. 

 Paroxy-phenyl-acetic acid, 378. 

 Paroxy-phenyl-propionic acid, 378. 

 Pars mamillaris hypothalami, 600. 



