734 



INDEX. 



Polar stimulation, 108 



of human nerves, 109 

 Pons varolii, 522 



functions of, 533 

 Portal vein, 216 

 Postures, 82 

 Presbyopia, 663 

 Prosecretin, 187 

 Protamins, 14 

 Proteins, n 



chemic composition, n 



color reactions, 19 



physical properties, 13 



precipitation tests, 19 



structure of, 13 

 Ptyalin, 149 

 Pulmonary blood-vessels, 381 



vascular apparatus, 364 



ventilation, 402 

 Pulse, 354 



frequency, 357 



volume, 281 



wave, velocity of, 356 

 Punctum proximum, 66 1 



remotum, 66 1 

 Pyramidal tracts of spinal cord, 498, 499 



Reaction of degeneration, 112 

 Red corpuscles, 234 



chemic composition of, 243 



effects of reagents, 239 



function of, 241 



life history of, 242 



number of, 237 



of vertebrated animals, 240 

 Reduced hemoglobin, 249 

 Reflex action, 112 



laws of, 508 



Refractory period of the heart, 301 

 Regnault's and Reisset's respiration apparatus, 



412 



Relation of gases in the blood, 404 

 Renhin, 169 

 Reproduction, 688 



Reproductive organs of the female, 688 

 Reproductive organs of the male, 692 

 Reserve air, 398 

 Residual air, 398 

 Respiration, 377 



changes in composition of air during, 400 



changes in composition of blood, 403 



changes in tissues^ 408 



chemistry of, 400 



expiratory forces and muscles, 391 



first inspiration, 418 



mechanism of gaseous exchange, 411 



nerve mechanism of, 415 



number per minute, 396 



reflex stimulation of, 418 



effects of a change of pressure of the blood 

 gases on, 422 



total respiratory exchange, 412 



volumes of air breathed, 397 

 Respiratory apparatus, 677 



movements, 388 



muscles, 388 



effects of, on arterial pressure, 427 



Respiratory muscles, effects of, on the flow of 

 blood through the thoracic vessels, 426 

 of upper air passages, 395 

 pressures, 413 

 quotient, 401, 

 rhythm, 396 



modification of, 423 

 Cheyne-Stokes, 426 

 sounds, 399 

 . types, 395 

 Retina, 645 



functions of, 667 

 Retinal image, 649 

 size of, 655 

 Rheocord, 709 

 Rhythmic segmentation, 196 

 Rigor mortis, 75 

 Rima glottidis, 620 

 respiratoria, 625 

 vocalis, 625 



Routes of the absorbed food, 220 

 Rush peristalsis, 197 



Saccharose, 9 

 Saliva, 145 



physiologic action of, 148 

 Salivary glands, 143 



histologic changes in, during secretion. 



*47 



nerve mechanism of, 149 

 Sebaceous glands, 490 

 Sebum, 489 

 Sclero-proteins, 16 

 Secretin, 187 

 Secretion, 438 



internal, 454 

 Semen, 694 



Semicircular canals, 680 

 Sensor areas of human brain, 553 



of monkey brain, 547 

 Serum, 232 



Setchenow's center, 512 

 Sight, sense of, 642 

 Sino-auricular node, 270 

 Skatol, 474 



Skeleton, physiology of, 44 

 Skin, 486, 632 



nerve endings in, 632 



reflexes, 508 

 Sleep, 563 

 Smell, sense of, 640 

 Sodium glycocholate, 192 



taurocholate, 192 

 Special senses, 631 

 Spectroscope, 248 

 Speech, 628 

 Spermatozoa, 694 

 Spheno-palatine ganglion, 619 

 Sphygmograph, 357 

 Sphygmomanometer, 344, 346 

 Spinal accessory nerve, 604 



cord, 494 



encephalo-spinal conduction, 516 

 functions of, 503 

 as a conductor, 512 

 as an independent center, 503 

 nerve-cells, classification of, 496 



