756 



INDEX 



Respiration, laboratory experiments 



in, 308 



mechanism of, 275 

 nervous apparatus of, 296, 313 

 rhythm of, 280 

 special types of, 302 

 tissue, 267 



volume of air breathed, 309 

 Respirations, number of, 284, 308 

 Respiratory apparatus, 267 



elimination of carbon diox- 

 ide by, 295 



nervous regulation of, 296 

 capacity, 283, 310 



circumstances affecting, 284 

 center, 297, 575 



automatic action of, 300 

 stimulation of, 300 

 changes in air breathed, 285 

 in the blood, 289 

 in the tissues, 295 

 interchange, 315 

 movements, 275 



character of, 309 

 establishment of, at birth, 



302 



nervous mechanism of, 313 

 of nostrils and glottis, 279 

 rate and character of, 312 

 recording of, 279, 309 

 relative time of, 281 

 murmur, 282 

 muscles, force of, 284 

 pressure, 289, 310 

 quotient, 288 

 rate, 284, 308 

 rhythm, 281 



action of stimuli on, 298 

 terms for quantity of air 



breathed, 282 

 Rete mucosum, 419 

 Reticular formation in medulla, 569 

 Reticulum, 8, 18 

 Retiform tissue, 36 

 Retina, 668 



cones of, 670 



inverted image on, 707 



layers of, 669 



localization in, 693 



movement of pigment cells, 



694 

 rods of, 670 



Retinal image, duration of, 712 



relation of size to distance, 



712 



Retinoscopy, 713 

 Rheoscopic frog, 500 

 Rhodopsin, 693 

 Rhythmical contractility, 191 

 Rhythmicity of arterial flow, 2 1 9 

 Ribs, movement of, in respiration, 



277 

 Rigor mortis, 492 



cause of, 492 



heat, 493 



order of occurrence, 493 



water, 492 

 Rima glottidis, 267 

 Rolandic area, 602 

 Running, 509 



SACCHAROSE, 100 

 Sacculus, 653, 664 

 Saliva, 335 



action of, on starch, 337, 338, 379 

 chemical composition of, 335, 379 

 function of, 336 

 properties of, 336 

 ptyalin in, 328, 336, 337 

 quantity of, 335 

 secretion of, center for, 330 

 mechanism of, 330 

 rate of, 335 

 Salivary digestion in stomach, 339 



influence of acids and alka- 

 lies on, 380 



of temperature on, 380 

 glands, 329 



changes in, during secretion, 



333, 378 

 nerves of, 377 

 structure of, 329 

 secretion, 333 



reflex, 377 



Salts, absorption of, by intestines, 395 

 as foods, 325 

 bile, 367, 386 

 in the body, 103 



tests for, 115 

 Sanson's images, 679 

 Saponification, 114, 363 

 Sarcode, 2 

 Sarcolemma, 61 

 Sarcoplasm, 62 



