954 



INDEX 



Urine, nitrogen of, urea, 486, 487, 488. 

 uric acid, 495. 



organic constituents of, amino- 

 acids, 490. 



aromatic oxyaeids and deriva- 

 tives, 499. 



ammonia, 489. 



creatin, 493. 



creatinin, 490. 



hippuric acid, 498. 



nitrogen, 485. 



oxalic acid, 499. 



purin bases, 498. 



sugar, 499. 



urea, 486, 487, 488. 



uric acid, 495. 



oxalic acid of, 499. 



phosphates of, 501. 



physical .properties of, color, 483. 

 - odor, 483. 



reaction and acidity, 483. 



specific gravity, 483. 



titratable acidity, and true 

 acidity, 484. 



transparency of, 485. . 



volume, 482. 



. potassium of, 502. 



purin bases of, 498. 



sodium of, 502. 



sugar of, 499. 



sulphates of, 502. 



- urea of, 486, 487, 488. 



uric acid of, 495. 



fate of, in man and in animals, 



497. 



formation of, 495. 



increased elimination of, 498. 

 precursors of, 497. 



urobilin in, 165. 



clinical significance of increased 

 amount of, 167, 168. 



determination of, 167. 



diagnostic value of, 169. 

 Urobilin, in the bile, 165. 



clinical significance of increased 

 amount of, 168. 



determination of, 168. 



diagnostic value of, 169. 



chemistry of, 163. 



clinical significance of, in urine, in- 

 creased amount, 167, 168. 



derivation of, 169. 



description of, by Jaffe, 163. 



determination of, 165. 



diagnostic value of, 168. 



in duodenal contents, clinical sig- 

 nificance of, 168. 



determination of, 167. 



formation of, mechanism of, 165. 



Urobilin, mechanism of formation of, 



165. 

 : obtained from urobilinogen, 164. 



occurrence of, 164.- 



in bile, 165. 



in blood, 165. 



in serum, 165. 



in stools, 165. 



in urine, 165. 



in pernicious anemia, 168. 



Schmidt test with, 164. 



in stools, 165. 



clinical significance of increased 

 amount of, 167, 168. 



determination of, 167. 



diagnostic value of, 169. 



in urine, 165. 



clinical significance of increased 



amount of, 167, 168. 



determination of, 167. 



diagnostic value of, 169. 



Urobilinogen, chemistry of, 163. 



description of, 164. 



empirical formula of, 163. 



structural formula of, 163. 



synthesization of, Fischer, H., 164. 



treated with para-dimethylamino- 

 benzaldehyd, 164. 



urobilin obtained from, 164. 



See also Urobilin. 

 Urobilinuria, 167. 



Urorosein, mother substance of, 684. 



Valin, 85. 



- fate of, 109. 



Valves, for measuring respiratory ex- 

 change, 533. 



Van Helmont (1577-1744), on metabo- 

 lism and carbonic .acid gas, 8. 



Van't Hoff s law of heat production as 

 affected by external temperature, in 

 cold-blooded animals, 601. 



Vegetables, feeding of, to young babies, 

 319. 



Vegetarianism, 399. 



basal metabolism in, 400. 



disadvantages of, 400. 



Da Vinci, Leonardo, on nourishment, 



6. 

 Vitamins, antineuritic (water-soluble 



B), 342. 

 distribution of, in food, 346. 



antiscorbutic (C Factor), 345. 

 sources of, 346. 



chemical nature and physical prop- 

 erties of, 342. 



antineuritic vitamin (water-solu- 

 ble B), 342. 

 antiscorbutic (C factor), 345. 



