CONTENTS. xxv 



CHAPTER IV. 

 THE METABOLIC PROCESSES OF THE BODY. 



PAGE 



356. The general characters of the metabolism of the body . . . 559 



SECTION I. 

 THE HISTORY OF GLYCOGEN. 



357. The characters of glycogen 561 



358. The conversion of glycogen into sugar by the liver .... 562 

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



of glycogen in the winter frog 563 



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

 361. The histological changes induced by food and circumstances in the 



hepatic cells of the frog 567 



362. The corresponding changes in the mammal . . . . . 568 



363. The nature and meaning of these changes 568 



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



cells. By simple dehydration of sugar 569 



365. 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 571 



367. Glycogen in muscle 573 



368. Glycogen in the placenta and in various tissues .... 574 



Diabetes. 



369. Artificial diabetes 575 



370. The nervous mechanism of the diabetic puncture .... 576 



371. Temporary diabetes from the use of drugs. Natural diabetes. The 576 



diminution of hepatic glycogen by arsenic and other agents . 576 



SECTION II. 

 THE SPLEEN. 



372. The movements of the spleen. The spleen curve . . . .579 

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

 gone by the latter 581 



374. The chemical constituents of the spleen 582 



SECTION III. 

 THE FORMATION OF THE CONSTITUENTS or BILE. 



375. The formation of bilirubin from haemoglobin 584 



376. The nature of and preparations towards this formation . . . 585 

 377. The formation of bile acids , 586 



