718 



INDEX 



Respiratory rhythm, action of stimuli 



on, 273 

 terms for quantity of air breathed, 



259 



Rete mucosum, 392 

 Reticular formation in medulla, 538 

 Reticulum, 8, 17 

 Retiform tissue, 35 

 Retina, 633 



cones of, 636 



inverted image on, 672 



layers of, 634 



localization in, 657 



movement of pigment cells, 659 



rods of, 636 

 Retinal image, duration of, 676 



relation of size to distance, 



676 



Retinoscopy, 678 

 Rheoscopic frog, 470 

 Rhodopsin, 658 

 Rhythmical contractility, 170 

 Rhythmicity of arterial flow, 198 

 Ribs, movement of, in respiration, 



255 

 Rigor mortis, 461 



cause of, 461 



heat, 462 



order of occurrence, 462 



water, 462 

 Rima glottidis, 245 

 Rolandic area, 583 

 Running, 479 



SACCHAROSE, 92 

 Sacculus, 6 1 8, 629 

 Saliva, 309 



action of, on starch, 311, 312, 353 

 chemical compositipn of, 310, 352 

 function of, 310 

 properties of, 310 

 ptyalinin, 303, 310, 311 

 quantity of, 310 

 secretion of, center for, 305 

 mechanism of, 305 

 rate of, 310 

 Salivary digestion in stomach, 313 



influence of acids and alkalies 



on, 354 



of temperature on, 353 

 glands, 304 



Salivary glands, changes in, during 



secretion, 308, 352 

 nerves of, 351 

 structure of, 304 

 secretion, 308 



reflex, 351 



Salts, absorption of, by intestines, 368 

 as foods, 300 

 bile, 341, 360 

 in the body, 93 



tests for, 99 

 Sanson's images, 644 

 Saponification, 99, 337 

 Sarcode, 2 

 Sarcolemma, 59 

 Sarcoplasm, 61 

 Sarcostyles, 59 



Sarcous elements of Bowman, 60 

 ScKeiner's experiment, 673 

 Schwann, sheath of, 65 

 Sebaceous glands, 394 

 Secretin, 334, 345 



influence on pancreatic secretion, 



334, 358 

 Secreting glands, 293 



production of heat by, 434 

 types of, 293 



organs, types of, 292 

 Secretion, 291 



circumstances influencing, 295 



discharge of, 295 



external, 291 



internal, 291, 427, 431 



organs and tissues of, 292 



process of, 294 



psychic, 355 



true, 291 



Segmentation, 692 

 Semicircular canals, 619, 628 

 Semilunar valves, 148 

 action of, 157 

 Seminal fluid, 682 

 Sensations, binaural, 627 



common, 595 



objective, 596 



of color, 659 



special, 596 



subjective, 596 

 Sense, hearing, 614 



muscular, 595, 603 



of equilibrium, 628 



