CONTENTS. xxv 



CHAPTER IV. 

 THE METABOLIC PROCESSES OP THE BODY. 



RAM 



356. The general characters of the metabolism of the body . . . 669 



SECTION I. 

 THE HISTORY OF GLYCOGEN. 



357. The characters of glycogen 661 



358. The conversion of glycogen into sugar by the liver .... 662 

 359. The influence of various foods in storing up glycogen. The storage 



of glycogen in the winter frog 663 



360. The detailed characters of the hepatic cells in the frog . . . 566 

 3G1. The histological changes induced by food and circumstances in the 



hepatic cells of the frog 667 



362. The corresponding changes in the mammal 668 



;j :><>:5. The nature and meaning of these changes 668 



364. Views as to the manner in which glycogen is stored in the hepatic 



cells. By simple dehydration of sugar 569 



366. The glycogen formed by a product of the metabolism of the hepatic 



cells. Comparison of the two views 570 



366. The uses of glycogen. The formation of fat as a store of carbon- 

 holding material 671 



367. Glycogen in muscle . . . . . . . . . . 673 



368. Glycogen hi the placenta and in various tissues .... 674 



Diabetes. 



369. Artificial diabetes . . .575 



370. The nervous mechanism of the diabetic puncture .... 676 



371. Temporary diabetes from the use of drugs. Natural diabetes. The 676 



diminution of hepatic glycogen by arsenic and other agents . 676 



SECTION II. 

 THE SPLEEN. 



372. The movements of the spleen. The spleen curve .... 679 

 373. The spleen pulp ; the white and red corpuscles. Changes under- 

 gone by the latter 681 



374. The chemical constituents of the spleen 682 



SECTION III. 

 THE FORMATION OF THE CONSTITUENTS OF BILE. 



375. The formation of bilirubin from hemoglobin 684 



376. The nature of and preparations towards this formation . . . 686 

 377. The formation of bile acids 686 



