672 



INDEX 



Smell, physiology of, 136 



Snake toxin, 612 



Sneezing, 522 



Sols, 13 



Soluble nitrogen in feeding stuffs, 



284 

 Somatic fibres, 54, 195 

 Somatopleur, 625 

 Sounds of the heart, 407 

 Specific dynamic action of foods, 

 272 



nerve energy, 97, 138 

 Spermatids, 621 

 Spermatocytes, 621 

 Spermatogonia, 620 

 Spermatozoa, 618 

 Spherical aberration, 147 

 Sphincter ani, 296 



centre, 148 



ileo-csecal, 334 



of stomach, 316 



pupillee, 140, 147 

 Sphygmograph, 439 

 Sphygmomanometer(see Riva Rocci) 

 Spinal accessory nerve, 200 

 Spinal cord, 106 et seq. 



anterior columns, 111 



arc, 78, 82 



ascending degenerations, 108 



conducting paths in, 108, 194 



hemisection, 108 



lateral columns, 111 



nerves, 106 



posterior columns of, 111 



reflexes, 82 et seq. 



tracts of, 107, 194 



upgoing fibres, 107 

 " Spinal dog," 82 

 Spino-tectal synapsis, 113 

 Spino-thalamic synapsis, 113 

 Splanchnopleur, 625 

 Spleen, 504 



circulation in, 469 



movements, 506 

 Spot, blind (see Blind spot) 



cold (see Cold spot) 



hot {see Hot spot) 

 Squamous epithelium, 32 

 Squint, 162 



Stannius' experiment, 425 

 Stapedius muscle, 167, 169 

 Stapes, 167 

 Starch, 287 



equivalent, 377 



value, 377 

 Stearic acid, 42 



Stearin, 42 



Stenosis, valvular, 410 

 Stercobilin, 332 

 Stereoscopic vision, 158 

 Stetliograph, 525 

 Stimulation, unilateral, 25 



nocuous, 85, 100 



of muscle direct, 217 

 Stimuli, 10 



successive, on muscle, 228 

 Stomach, 295 



absorption from, 318 



after feeding, 310 



digestion in, 308 

 in horse, 342 

 in ruminant, 340 



during fasting, 309 



movements of, 315, 318 



nervous mechanism of, 317 



rate of passage of food from, 317 



regurgitation, 318 



secretion of, 310 



structure of, 295 

 Storage of surplus food, 351 

 Storing mechanism (cerebral), 185 

 Strain, muscular, 253, 471 

 Stroma of red cells of blood (see 



Erythrocytes) 

 Stromuhr, 466 

 Sublingual gland, 293 



gland, nerve supply, 304 

 Submaxillary gland, 293 



gland, nerve supply, 304 

 Subminimal stimulus, 84 

 Substrate, 8 

 Succus entericus, 328 

 Sulcus centralis, 190 

 Sulphates, ethereal, 563 



inorganic, 556, 563 



preformed (see Inorganic sul- 

 phates) 

 Sulphur-containing bodies in the 



urine, 563 

 Sulphur, neutral, 556, 564 

 Superior cardiac branch of vagus, 

 418 



oblique muscle, 159 

 Suprarenal bodies, 590 



cortex, 609 



medulla, 590 



metabolism after injection of, 

 593 

 Surface tension, 13 (Appendix III.) 

 Suspensory ligament of eye, 141 

 Swallowing, 306 



time of, 308 



