THE GLANDULAR SYSTEM 237 



quired amount of blood to the structure; the hepatic 

 veins, originating in the interior, collect all the blood 



Intralobular 

 ,* vein. 



Branch of 

 "* portal vein. 

 Bile-duct. 

 _ Branch of 

 hepatic 

 artery. 



" Interlobular 

 connective 

 tissue. 



FIG. 119. Section through liver of pig, showing chains of liver-cells; 

 (Bohm and Davidoff). 



distributed by the portal vein and hepatic artery and con- 

 duct it to the ascending vena cava. 



THE GALL-BLADDER 



The gall-bladder is a pear-shaped sac, about 4 inches 

 in length, situated in the sinus of the liver. It is a reser- 

 voir for the bile, and is capable of holding about \\ 

 ounces of fluid. It is made up of three coats a serous, 

 a fibrous, and a mucous. 



THE SPLEEN 



The spleen is an oblong gland situated in the left hypo- 

 chondriac region, immediately below the diaphragm. 



