240 



PHYSIOLOGY FOR BEGINNERS 



Sodium, 3 



Sound, 227 



Speech, 233 



Sphenoid hone, 45 



Sphincter muscle of bladder, 161 ; 



of iris, 215; of pylorus, 140 

 Spinal bulb, 101, 103, 124, 187 ; 

 functions of, 191 



column, see Vertebral Column 



cord, 19; functions of, 184; 



membranes of, 180; struc- 

 ture of, 181 



nerves, 181 



Spleen, 17, 22 ; functions of, 157 ; 

 structure of, 157 



Stapes, 222 



Starch, 128, 138, 144 



Stationary air, 124 



Sternum, 13 ; described, 41 



Stomach, 16 ; changes in food in, 

 142 ; glands of, 141 ; situation 

 of, 21 ; structure of, 139 



Striated muscle, 64 



Stroma of red corpuscles, 27 



Structure, denned, i 



Subclavian arteries, 91 ; veins, 92, 



105 



Substances, simple or compound, 2 

 Sugar, 128, 138, 144 

 Sulphur, 3 



Superior vena cava, 18 

 Supination of the forearm, 51 

 Supplemental air, 124 

 Suspensory ligament of lens, 206 

 Swallowing, 134 

 Sweat, composition and secretion 



of, 170 ; glands, 170 

 Sympathetic nervous system, 193 

 Synovial fluid, 48 ; membrane, 48 



TACTILE corpuscles, 196 

 Tarsal bones, 43 

 Taste, 197 



buds, 198 

 Tears, 204 

 Teeth, 132 



Temperature of the body, 173 



sensations, 197 

 Temporal bones, 43 



Tendons, 15, 19 ; structure of, 58 



Tension, defined, 6 



Thoracic duct, 105, 106 



Thorax, 13 ; walls of, 23 ; organs 



of, 24 



Thyroid cartilage, 230 

 Tibia, 43 

 Tidal air, 124 

 Tissue, defined, i 

 Tonsils, 112 

 Touch, 196 



Trachea, 18 ; structure of, 114 

 Trigeminal nerve, 190 

 Trypsin, 144 



Tubules of the kidney, 162 

 Turbinal bones, 200 

 Tympanic membrane, 220 



ULNA, 43 

 Urea, 5, 163 

 Ureter, 17, 160 

 Urethra, 161 

 Uric acid, 5, 164 



Urine, composition of, 163; excre- 

 tion of, 165 

 Utricle, 223 

 Uvula, 112 



VAGUS nerve, 101, 125, 191 



Valve, ileo-ccecal, 22 ; mitral, 84 ; 

 tricuspid, 83 



Valves of veins, 99 ; semilunar of 

 heart, 85 



Valvulas conniventes, 147 



Vaso- motor centre, 103 ; nerves, 

 103 



Veins, 17 ; structure of, 95 ; valves 

 of, 99 



Vena cava, inferior, 18, 81 ; sup- 

 erior, 1 8, 8 1 



Venous blood, change of, to arte- 

 rial, no 



Ventilation, 127 



Ventricles of the heart, 80 



Vermiform appendix, 22 



Vertebrae, 19 ; described, 37 



Vertebral column, 13, 19 ; described, 

 36 



Vestibule, 223 



Vibrations, transmission of, in the 

 ear, 228 



