8i8 



INDEX 



Thorax, respiratory changes in diame- 

 ter, 289, 327 

 Thrombin, 121 

 Thrombocytes, 135 

 Thrombogen, 122 

 Thrombokinase, 122, 347 

 Thymine, 94 

 Thymus gland, 494 

 Thyroidectomy, 485 

 Thyroid feeding, 485 



gland, 484 



accessory, 484 

 functions of, 484 



grafting, 485 



hormone, 486 

 Thyroiodine, 486 

 Tidal air, 282, 328 

 Tissues, connective, 33 



elementary, 23 



epithelial, 23 



interchange of gases in, 308 



lymphoid, 36 



muscular, 58 



nervous, 65, 67 

 Tone, of artery, 244 



of muscle, 596 

 Tongue, 685 



action of, in speech, 556 



papillae of, 683 



Tonicity of heart muscle, 198 

 Tonometer, 304 

 Tooth-pulp, 52 

 Touch corpuscles, 75, 76, 683 



sense of, 68 1 



acuteness of, 683 

 Trabeculae carneae, 178 

 Trachea, 280 

 Tract of Burdach, 587 



of Goll, 587 



of Cowers, 587 

 Traube-Hering curves, 249 

 Treppe, phenomenon of, 561 

 Tricuspid valve, action of, 181 

 Trigeminal nerve, 653 

 Tri-olein, 97 

 Tri-palmitin, 97 

 Tri-stearin, 97 

 Trochlearis nerve, 653 

 Trunk, vascular nerves for, 258 

 Trypsin, 379, 381 



action of, 381 

 Tryptophane, 82 



Tubular glands, 337 

 Tubuli seminiferi, 768 



uriniferi, 421 



Twelfth cranial nerve, 663 

 Tyco sphygmomanometer, 226 

 Tympanum, 701 

 Tyrosine, 81 



Unorganized ferments, 346; and see 



Enzymes. 



Unstriped muscle, 58 

 Uracil, 94 

 Urea, amount in tissues, 431 



antecedents of, 462 



determination of, 451 



formation of, 431, 442 



preparation of, 451 



properties of, 430 



quantity excreted, 432 

 Ureters, 427 

 Uric acid, 94, 432, 451 



condition of, in urine, 432 



formation of, 463 



properties of, 432 



tests for, 452 

 Urinary bladder, 427 

 Urine, 427 



abnormal constituents of, 452 



albumin in, 435, 453 



ammonia in, 433 



analysis of, 449 



average daily quantity of con- 

 stituents, 429 



chlorides in, 435, 450 



composition of, 428 



creatinin in, 433, 452 



cystin in, 435 



dextrose in, 435 



discharge of, 440 



diuretics, action of, 439 



excretion by, 455, 456 

 experiments on, 437 



factors affecting secretion of, 436 



general properties of, 427 



hippuric acid in, 433, 463 



indican in, 452 



mucus in, 434 



nitrogenous substances in, 430, 452 



occasional constituents of, 435 



oxalic acid in, 435 



phosphates in, 434, 451 



pigments in, 433, 452 



