INDEX. 



853 



Thrombiu, 136 

 Tliymus gland, 324 

 Thyroid gland, 312 



function of, 314 

 Thyroids, accessory, 313 

 Tidal air, 268 



Tissue elements, derived, 27 

 Tissues, connective, 40 



elementary, 26 



respiratory changes in, 277 

 Tongue, epithelium of, 348 



papillae of, 347 



structure of, 346 

 Tonometer, 242 

 Tonsils, 350 

 Touch corpuscles, 105 



sense of, 660 

 Trachea, 254 

 Tract of Gowers and Tooth, 567 



of Lissauer, 567 

 Traube-Hering curves, 292 

 Trigemiims, 599 

 Trochlearis, 598 

 Trypsin, 382, 833 



action of, 382, 383 

 Tubuli seminiferi, 752 



uriniferi, 461 

 Twelfth nerve, 612 

 Tympanum, 677 

 Tyrosin, 830 



UMBILICAL vesicle, 779 

 Unstriped muscle, 81 

 Urea, biuret reaction, 474 

 chemical nature, 474 

 formation of, 433 

 in the urine, 472 

 properties of, 473 

 quantitative estimation of, 475 

 variations in quantity excreted, 



474 



Ureters, 468 



Ureters, structure of, 468 

 Urethra, 755 

 Uric acid, 475, 830 



condition of, in urine, 476 

 formation of, 433 

 properties of, 475 

 tests for, 476 



variations in quantity of, 476 

 Urina cibi, 472 



Urina potus, 472 



sanguinis, 472 

 Urinary bladder, 469 

 Urine, 469 



abnormal constituents of, 472 



average daily quantity of constitu- 

 ents, 471 



chemical composition, 469 



chlorine in, 481 



colored by medicines, 478 



cystine in, 481 



extractives of, 479 



filtration theory of secretion, 482 



gases in, 482 



hippuric acid in, 477 



indican in, 478, 832 



indigo in, 478, 832 



kreatinin in, 479 



method of secretion, 482 



mucus in, 479 



passage of, into bladder, 488 



pigments of, 477 



phosphoric acid in, 480 



physical properties of, 469 



quantity of, 472 



reaction of, 470 



relation of secretion to arterial press- 

 ure, 485 



saline matter in, 479 



secretion theory, 486 



solids of, 472 



sulphuric acid in, 479 



urea in, 472 



uric acid of, 475 



variations in specific gravity, 471 



xanthin in, 479 

 Urobilin, 392, 477, 831 

 Urochrome, 477, 831 

 Uroerythrin, 478, 832 

 Uromelanin, 478 

 Uterus, 749 



VAGINA, 750 

 Vagus nerve, 608 



effects of section, 610 



functions of, 609 

 Valvulae conniventes, 372 

 Vascular system, development of, 795 

 Vas deferens, 751 

 Vaso -constrictor nerves, 246 

 Vaso- dilator nerves, 246 



