l6o 



ELEMENTARY PHYSIOLOGY 



VESSELS OF 

 THE LIVER. 



Portal vein from < 



SUMMARY. 



Stomach. 



Intestines. 



Spleen. 



Blood vessels ] . ^ Pan creas. 



Hepatic artery from aorta. 

 Hepatic vein to vena cava inferior. 



1 Cystic duct and gall- 

 bladder, or 

 Common duct and 

 duodenum. 



COURSE OF THE BLOOD IN THE LIVER. 

 PORTAL VEIN. 



Branches of Portal Vein. 



ii 



44 



Interlobular Vessels between Lobules. 



III 



444 

 Capillary Networks in the substance of the Lobules. 



444 



Intralobular Veins in centres of Lobules. 



44 

 Sublobular Veins under the Lobules. 



HEPATIC VEIN. 



COURSE OF THE BILE. 



x Cystic Duct and Gall-bladder. 



Bile Capillaries-* Bile Ducts-> HE ^ P A T n IC \ n ( Di esti or & ans inactive.} 



DUCT N Common Duct and Duodenum. 



{Digestion going on. ) 



Digestive. 



Kemova l excess of carbon and hydrogen 



from blood. 



30 to 40 ozs. daily continuous. 

 Retarded during fasting. 

 Accelerated on taking food. 



( Resembles starch and sugar in composition. 



( Prepared in the liver. Reconverted into sugar. 



( Apparently oxidised in the tissues thus producing heat. 



BILE 



Glycogen 



Purposes of 

 secretion 



Secretion . 



QUESTIONS ON LESSON XXVII. 



1. Describe the general form, position, and size of the liver, mentioning the 



various organs with which it is in contact. 



2. Describe the membranes which surround and enter into the substance of 



the liver. 



3. Name the various vessels connected with the liver. Give the origin of 



each, and describe the nature of the fluid contained in each one. 



