798 



A MANUAL OF VETERINARY PHYSIOLOGY 



Respiration, nervous mechanism, 

 recurrent laryngeal, 

 148, 150, 497, 520, 

 521 



seventh pair, influ- 

 ence of, 137, 514,525 



the centre, 133, 134, 



135. 415. 477 

 vagus, influence of, 

 133, 134,148, 521 

 nitrogen, 117 

 nostrils, 114 

 number of, 113 



effect of work on, 113 

 oxygen, 117, 121, 123, 131, 139, 

 141 

 deficiency of, 130 

 excess of, 131 

 expired air, 117, 121, 139 

 in tissues. See Respira- 

 tion, chemistry of 

 inhalation in disease, 132 

 inspired air, 117 

 panting, 137, 142 

 partial pressure gases, 127 

 pause in, 112 

 phonation, 149 

 phrenic nerves, 137 

 pleural sacs, 108, 109, 112, 



265 

 pleurisy, 151 

 pneumonia, 108, 151 

 ratio to heart-beats, 113 

 ribs in, 99, 100, no, 112 

 'roaring,' 148, 149, 152, 521 

 seventh pair, nerves, 137, 514, 



525 

 sternum movement of, in 

 tissue, 128 



vagus, in, 133, 134, 148, 521 

 voice, 149 

 work and, 142 

 Respiratory centre, 133, 134, 135, 



4i5. 477 



exchange, 1 21-132 



function, skin, 312 



murmur, 143 



passages, absorption from, 281 



quotient, 118 

 Restiform body, 476 

 Rete mirabile, 96 

 Reticulum, 196 



capacity, 196 



channels of communication, 

 196 



character of contents, 197 



foreign bodies in, 197 



function of, 197 



movements of, 197 



oesophageal groove, 196 

 Retina, 531, 538 



Retina] image, formation of, 558 



Reversible action, 763 



Reversion, jn 



Rheoscopic frog, 408 



Rhodopsin, 539 



Rhythmical movements, intestines, 



225 

 Ribs, 99, 100, no, 112 

 Rigidity, decerebrate, 458 

 Rigor, heat, 418 



mortis, 418, 746 



and labyrinth, 582 

 Ringbone, 617 

 Rising, act of, 602 

 Ritter's tetanus, 430 

 Roads, angle of repose, 646 

 Roans, 304 



'Roaring,' 148, 149, 152, 521 

 Rolando, fissure of, 486, 495 

 Rotation (joints), 585 

 Rothamstead experiments, 352 

 Roy's oncometer, 315 

 Rumen, 194 



arrangement of ingesta in, 



195 



capacity, 194 



character of contents, 194 



churning movement, 195, 209 



compartments, 194 



function of, 195 



hair balls in, 195, 209 



in young animals, 196 



movement of ingesta in, 195, 



209 

 muscular bands, 194 

 oesophageal groove, 194 

 papillae, 194 

 Ruminants, digestive diseases of, 

 194 

 intestinal digestion. See Ox 



and Sheep 

 stomach digestion. See Ox and 

 Sheep 

 Rumination, 204 

 a reflex act, 207 

 cud arrives in mouth, 205 

 friction sounds connected with, 



205 

 how effected, 205 



. function of oesopha- 

 gus, 205 

 necessary factors, 207 

 nervous mechanism, 207 

 oesophageal groove, 204 



in rumination, 205 

 movements of, 204 

 oesophagus, structure of, 204 

 period of remasti cation, 206 

 weight of cud, 206 

 Rutting, 691 



cause of, 692 



