648 



INDEX. 



Respiration, suspension and arrest of, 



186 

 temperature of air increased by, 



173 



types of, 163 



watery vapor exhaled in, 177 

 Respiratory capacity of chest, 167 

 function of skin, 346 

 movements, 162-166 

 of air-tubes, 171 

 centre of the medulla oblon- 



gata, 406 



effect of on circulation, 145 

 excited through nerves, 406 

 by various stimuli, 407 

 of expiration, 164 

 of glottis, 166 



influence on amount of car- 

 bonic acid, 174 

 of inspiration, 162 

 relation to will, 398 

 various, mechanism of, 166 

 muscles, 162, 165 

 power of, 169 

 secondary, 186 

 nerves, 186 

 rhythm, 165 



tract of mucous membrane, 317 

 Rest, favorable to coagulatioji, 62 

 Restiform bodies, 403, 404 

 Retching, explanation of, 233 

 Rete mucosum, 333 



testis, 573 



Retiform tissue, 216, 239, 285 

 Retina, 501 



duration of impressions on, 517 



of after-sensations, 517 

 effect of pressure on, 522 

 focal distance of, 510 

 function of, 504 

 image on, how formed distinctly. 



508 

 inversion of, how corrected, 



513 

 insensible at entrance of optic 



nerve, 520 

 insufficient alone for distinct 



vision, 505 

 in quadrupeds, 523 

 reciprocal action of parts of, 519 

 in relation to direction of vision, 



515 



to motion of bodies, 516 

 to single vision, 521 

 to size of field of vision, 513 

 structure of, 501 

 Rhythm of heart, cause of, 111. See 



Heart. 



respiratory, 165 

 Rigor mortis, 465 



affects all classes of muscles, 466 



Rigor mortis, phenomena and causes 



of, 465 



Rima glottidis, movements of in res- 

 piration, 166 

 RodsofCorti, 532 



use of, 543 

 Root of nail, 341 

 Root-sheath of hair, 341 

 Roots of spinal nerves, 388, 390 



anterior and posterior, special 



properties of, 391 

 Rotation, following injury of crura 



cerebelli, 418 

 produced by dividing the crura 



cerebri, 4 1 1 

 Rouleaux, formation of in blood, 60, 



68 



Rubbing, influence on cutaneous ab- 

 sorption, 347 



Rugae or folds of stomach, 215 

 Rumination, 233 

 Running, mechanism of, 473 

 Rut or heat, 568 



Saccharine principles of food, diges- 

 tion of, 230 



action of bile on, 266 



absorption of, 271 

 Sacculus, 533 

 Safety-valve action of tricuspid valve, 



101 



Saline constituents of bile. 260 

 Saline constituents of blood, 75 



use of, 86 

 of urine, 288 



matters, absorption of, 295 

 Saliva, action of on food, 212 

 on starch, 213 



composition of, 210 



digestive properties of, 212 



mechanical purposes of, 211 



organs for production of, 209 



physical properties of, 210 



purposes of, 211 



quantity secreted, 211 



rate of secretion, 210 



reaction of, 210 



relation to gastric fluid, 212 

 Salivary glands, 209 



development of, 607 

 Salts, alkaline and earthy, influence 



on coagulation, 62 

 Sarcode, 27 

 Sarcolernma, 458 

 Sarcous elements, 459 

 Scala media, 532 



tympani, 532 



vestibuli, 532 

 Sclerotic, 500, 507 

 Scurvy from want of vegetables, 207 



