104 LABORATORY METHODS OP 



lar vein. A number of these intralobular veins unite 

 to form the sublobular vein, and these again unite to 

 form the hepatic veins, which carry the blood to the 

 inferior vena cava. Between each liver cell are seen 

 the beginning of the bile capillaries, which pass out to 

 the edge of the lobule and empty into the bile ducts in 

 that place. The bile ducts unite to form the large bile 

 duct. The large duct passes on to the duodenum.' 

 When there is more bile than wanted for the digestive 

 tract, the bile is backed into the bile cyst. This cyst 

 is called gall bladder, and is placed on the under side 

 of the liver. The bladder and ducts are composed of 

 white fibrous tissue lined with columnar epithelial cells. 

 Under this is the muscle tissue, and under the muscle 

 tissue is some loose areola tissue then comes the layer 

 of fibrous tissue, lined with endothelial cells. The lym- 

 phatics are in the form of perivascular lymphatics. 

 The nerves are of both varieties : medullated and non- 

 medullated. The liver cells form the chief study of 

 the liver. 



Exercise No. 54. Study all the tissue from the in- 

 jected tissue furnished. And make T. $. of the 

 tissue furnished. 



Stain, mount, study and preserve. 



