INDEX. 



627 



Assimilation or maintenance of blood, 

 84 



nutritive, 299 

 Atmospheric air. See. Air. 



pressure in relation to respiration, 



161 

 Atrophy, from deficient blood, 307 



from disensed nerves, 309 

 Attention, influence of, on sensations, 

 493 



on special senses, 516 

 Auditory canal, 527 



function of, 534 

 Auditory nerve, 533 



distribution of, 533, 541 



effects of irritation of, 546 



fibres of. 377 



sensibility of, 543 

 Auricle of ear, 527 

 Auricles of heart, 91 



action of, 96 



capacity of, 111 



development of, 599 



dilatation of, 99 



force of contraction of, 110 

 Axis-cylinder of nerve-fibre, 370 

 Azote. See Nitrogen. 

 Azotized principles, 21 



Baritone voice, 483, 484 



Basement-membrane, of mucous mem- 

 branes, 318 

 of secreting membranes, 314 



Bass voice, 483 



Benzoic acid, relation to hippuric 

 acid, 363 



Bicuspid valve, 92 



Bile, 259 



antiseptic power of, 265 

 coloring matter of, 260 

 coloring serous secretions, 316 

 composition of. 259 



elementary, 261 

 digestive properties of, 265 

 excrementitious, 262 

 fat made capable of absorption 



by, 265 



functions of in digestion, 265 

 mixture with chyme, 270 

 mucus in, 260 

 a natural purgative, 265 

 process of secretion of, 262 

 purposes of, 262 



in relation to animal heat, 



264 



quantity secreted, 262 

 reabsorption of, 263, 265 

 saline constituents of, 260 

 secretion and flow of, 262 

 secretion of in foetus, 263 



Bile, tests for. 261 

 Bilin, 259 , 



reabsorption of, 263 

 Biliverdin and bilifulvin, 260 

 Bipolar nerve-corpuscles, 375 

 Birds, their high temperature, 191, 



192 



Birth, 13 



Bladder, urinary. See Urinary Blad- 

 der. 



Blastema, 27 



Blastoderuiic membrane, 581 

 Bleeding, effects of on blood, 76 

 Blood, 55-87 



adaptation of to tissues, 306 

 adequate supply necessary for 



nutrition, 307 

 albumen of, 74 

 use of, 86 



alteration of by disease, 84 

 ammonia in. 76 

 animal poisons, how affected by, 



306 

 arterial and venous, differences 



between, 77, 81, 180 

 assimilation of, 84 

 casein in, 75 



changes in by respiration, 179 

 chemical composition of, 64 

 circulation of, 88. See Circula- 

 tion, 

 coagulation of, 58-62 



circumstances influencing, 62 

 color of, 56 



changed by respiration, 179 

 differences in, 77 

 coloring matters in, 76 

 coloring matter, relation to that 



of bile, 260 

 compared with lymph and 



chyle, 286 

 composition of, chemical, 64 



physical, 56 

 ' variations in, 76-80 

 conditions necessary to nutrition, 



306 

 corpuscles or cells of, 65-72. See 



Blood-corpuscles, 

 red, 67 

 white, 71 



creatin and creatinin in, 75 

 crystals of, 69 

 development of, 81 



from lymph or chyle, 83 

 exposure to air in lungs, 159 

 extractive matters of, 75 

 fatty matters in, 74 



use of. 86 

 fibrin of, 74 



separation of, 22, 23, 62 

 use of, 86 



