SUBJECT INDEX 



579 



Sodium bicarbonate and CO, tension, 311, 

 431 

 system, B9, 431, 551 

 Sol and gel, 75, 92 

 Solution, colligative properties, 41 



hypertonic, 132, 318, 488. 511, 544, 



545 

 hypotonic, 133, 318, 511, 545 

 isotonic, 315, 317, 511 

 tension, 201 

 Soma, 485 



Sound, conduction by bone, 266 

 localisation of, 266 

 production, 405 et seq. 

 Sounds of the heart, 377. 378, 379, 386 

 Source of energy for food formation, 17, 18, 

 19 

 for muscular contraction, 172 

 for secretion, 184 

 Specific action of enzymes, 123 

 inductive capacity, 60 

 irritability, 223 

 nerve energy, 222, 223 

 surface, 72, 484 

 Speech, 409 



Spermatozoon, function of, 488 

 Spleen, 189, 190, 192 

 Stabilisation of colloids, 83 

 of emulsions, 103, 105, 540 

 of organism, 132 

 Stalagmometer, 107, 109, 517 

 Standing, 426 

 Stapedius, 253 

 Stapes, 253 

 Stenosis, 378 

 Stereoscope, 294 

 Stereotropism, 459 

 St. Martin, experiments on, 417 

 Stomach, 416 

 Strabismus, 292 



Streaming of protoplasm, 151, 463 

 Strength of materials, 208 

 Stress and strain, 177, 205 

 lines in bone, 214 

 in diffusion, 482 

 in fields of force, 481 

 String galvanometer, 285 

 Stroma of erythrocytes, 314 

 Struts, 208 

 Submicron, 81 

 Substrate, 118, 121 

 Summation of stimuli, 227 

 Surface area of body, 564 



and heat loss, 439, 440, 444, 446 

 and mass, 72, 116, 480 

 measurement, 564 

 condensation, 51 

 electrical charges on, 49 

 energy, 44 



measurement, 45 

 source of, 46 



temperature coefficient of, 46 

 utilisation, 48 

 extent of, in suspensions, 72 

 multiplication, 55 

 orientation, 46, 52 



Surface tension, 46 et seq., 517 



alterations in, 48 



and electrical charge, 48 



and growth, 466 



and pH, 48 



efifect of solutes on, 51 



in muscle processes, 174 



in nerve, 222 



in respiration, 392 



in urine formation, 199, 201 

 volume ratio, 480 

 Survival of the fittest, 462 

 Suspensory ligament, 277 

 Swallowing, 415 

 Synapse, 221 

 Syneresis, 100, 540 

 Synergetical muscles, 426 

 Synkinetic movement, 251 

 Synovial fluid, 219 

 Synthesis by enzymes, 125, 494 

 of carbohydi'ates, 17 

 of fats, 19 

 of proteins, 19 



Taste, 242 



Tectorial membrane, 263 

 Temperature coefficient, 48, 58, 69, 174, 

 177, 473 

 of development, 488 

 of dissociation, 63, 64, 69, 330 

 of growth, 473 

 of muscular contraction, 177 

 of nervous impulse, 228 

 of surface tension, 46 

 lethal, 33, 444 

 Tendon, 210 



sheaths, 219 

 Tension and rate of growth, 478 



of gases, 323, 328 

 Tetanus, 180 



Thermal conductivity, 441 

 efficiency, 32 

 gradient, 441 

 Thermodynamics, laws of, 4-6 

 Thermo-elastic properties, 169, 170 

 Thermometer, Beckmann's, 512 

 clinical, 436 

 Kata, 446, 556' 

 Thermopile, 436, 437 

 Thermotaxis, 151 

 Thigmocytes, 306, 309 

 Threshold values, kidney, 200 



receptors, 233 

 Thrombin, 305 

 Thrombokinase, 305 

 Thromboplastin, 305 

 Tidal air, 345 

 Ties, 208 

 Timbre, 409 

 Tissues, adipose, 211 

 connective, 204 



elasticity of, 207 

 development of, 489 

 fibrous, 210 

 rigidity of. 111 



