INDEX. 



899 



Osmosis, definition of, 881 

 Osmotic pressure, definition of, 882 

 determination of, 883 

 of blood, 386 

 Oval field of Flechsig, 169 

 Ovaries, internal secretion of, 779 

 relation of, to menstruation, 843 

 Overtones, production of, 364 

 Ovulation, 840, 844 

 Ovum, fertilization of, 850 

 implantation of, in uterus, 851 

 maturation of, 847 

 passage of, into uterus, 846 

 Oxalate solutions, effect of, on coagu- 

 lation, 422 

 Oxidases, 662, 836 

 Oxidations, theories of, 833 

 Oxygen, action of, on respiratory 

 center, 620 

 compound of, with hemoglobin, 



391 

 condition of, in blood, 603 

 effects of, on muscular irritability, 

 63 

 varying pressures of, on respira- 

 tion, 628 

 tension of, in alveolar air, 607 

 in tissues, 608 

 in venous blood, 607 

 Oxyhemoglobin, 391 



Pacchionian bodies of brain, 554 

 Pain sense, distribution and char- 

 acteristics of, 262 

 localization of, 263 

 path for, in cord, 163, 165 

 Pancreas, action of lipase in, 709 



anatomy of, 700 



curve of secretion of, 702 



digestive action of secretion, 705 

 on carbohydrates, 705 



internal secretion of, 780 



normal mechanism of secretion, 703 



secretory nerves of, 701 

 Paraglobulin, 411 

 Paralysis (motor), 185 

 Paralytic secretion (saliva), 677 

 Parapeptone, 693 

 Parathyroid, structure and function 



of, 772 

 Parthenogenesis, 851, 870 

 Parturition, physiologv of, 854 

 Pendular movements (intestine), 646 



sound waves, 363 

 Pepsin, 664 



discovery of, 657 



properties of, 691 

 Pepsin-hydrochloric acid digestion, 



693 

 Peptids, 708, 875 

 Peptone, 693, 879 



Peptone, absorption of, in stomach, 

 699 



effect on clotting of blood, 423 



hemi- and anti-, 705 

 Peptozym, 423 

 Pericardial liquid, 410 

 Perimeter, 312 

 Peripheral field of vision, 313 



resistance in circulation, 462 

 Peristalsis, 644 

 Peroxidases, 836 

 Perspiration (see Sweat) 

 Pettenkofer's reaction, 725 

 Pfliiger law of stimulation, 84 



tetanus, 86 

 Phagocytes, 405 

 Phenolsulphuric acid, 719, 760 

 Phenylalanin, 706, 874 

 Phloridzin diabetes, 734, 796 

 Phosphocarnic acid, 60 

 Phrenology, 180 

 Physiological diplopia, 342 



oxidations, theories of, 820, 833 

 Lavoisier's work, 569 



point (vision), 315 



saline, 386, 426 

 Physostigmin, action of, on iris, 303 

 Pilocarpin, action of, on heart, 520 

 on iris, 303 



on salivary glands, 676 

 on sweat glands, 768 

 Pituitary body, structure and func- 

 tions of, 777 

 Placenta, functions of, 852 

 Plain muscle, 52 



Plasma of blood, composition of, 408 

 Plethysmography, 533 

 Pneumogastric nerve (see Vagus) 

 Pneumograph, 577 

 Pneumothorax, 587 

 Poikilothermous animals, 821 

 Polar bodies of ovum, 848 

 Polypeptid, 708 

 Positive electrical variation in heart, 



521 

 Posterior columns, descending tracts 

 of, 169 

 tracts of, 161 



root, termination in cord, 160 

 cells of, origin of, 78 

 Postganglionic nerve fibers, 232 

 Potassium phosphate in muscle, 65 



salts, action of, on heart, 501 

 Potential energy of food, 814 

 Precipitins, 876 

 Predicrotic pulse wave, 474 

 Preganglionic nerve fibers, 232 

 Pregnancy, changes in, 854 

 Prepyramidal tracts, 169 

 Presbyopia, 292, 297 

 Pressor nerve fibers, 540 

 Pressure of gases in solution, 601 



