INDEX 590 



Sugar, its fattening property, 278 



as food. 226, 264 



formed from action of ptyalin on starch, 242, 261 



starch converted into, 242 

 Sulci of brain, 509, 528 

 Sulphur in proteids, 108 



Sulphuretted hydrogen, mode of action at poison, 164 

 Supination (t^Kpinux, lying on the bacl<) of limbs, 324 

 Supplemental air. 148. 149, 564 

 Supra-renal bodies, 219 

 Swallowing, 229, 235, 236 

 Sweat, composition and quantity of, 198 



glands, 192, 196 



stimulated by warmth, 204 



secretion of, and its nervous control, 200 

 " Sweet-bread," 9 

 Sylvius, aqueduct of, 503, 504 



fissures of. 505. 528 

 Symmetry {crvy, together ; i^fTpov, a measure), bilateral, of body, 8 

 Sympathetic (aiiv. together ; Trdfc'os, feeling) nerve, blushing governed 

 bv, 66. 495 

 system. 9. 452. 495, 496 

 Syno\aa (ai/v, with ; wbr. an egg), and synovial membrane, 17, 319 

 Systole {crva-TiKKia, I draw togetlier, contract), 51, 52, 57 



Tactile (tango, I touch) corpuscles. 190, 348. 349 

 impressions, education of the eye by, 444 

 sensations. 352 

 Tangential rays of cerebral cortex, 515 

 Taste, sense of. 343. 358 et seq. 



organ of, 358 

 Taste-buds. 358, 360 



Taurocholic (raOpo?, a bull ; \o\'ij, bile) acid. 262 

 Tears, secretion of, 417 

 Teeth, 31, 231 



enamel of, 233 

 Temperature of blood, 25, 66, 105. 202 



of body, due to oxidation, 24, 172, 202 



regulated by blood supply to skin, 66, 202, 206 

 effect of, on coagulation of blood, 112 



on vaso-niotor nerves, 205 

 of expired air, 135 

 of fever, 207 



sense of, relative rather tiian absolute, 352 

 Temporal (tempora, the temples) artery, 61 

 bones, 378 

 lobe, 529. 531 

 Tendons (tendo. I stretch), 289, 305 

 structure of, 558 

 weight of, 268 

 Tensor tympani (stretcher of the drum) muscle, 371, 389 

 Teres ligamentum (tlie round ligament). :i21 

 Terror, its effect on the vaso-motor system, 66 

 Tetanic contraction of muscles, 3U1 

 Thigh, 8, 304 

 Thoracic duct, 85 



viscera, weight of, 268 



