INTESTINAL DIGESTION 



side. It is covered with peritoneum and hung closely to 

 the diaphragm and the spinal column. 



The tube leading from the intestine to the liver divides 

 again and again into branches called bile ducts, the small- 



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A thin slice of liver (x 200). 



a veins bringing blood to the liver. c liver cells. 



b capillaries between the liver cells. d vein to carry blood away from the liver 

 e tubes to carry away bile. 



est of which are exceedingly minute, and barely recog- 

 nizable with a microscope. The walls of the smallest of 

 these ducts are composed of large cells of irregular shape, 

 which crowd one another so that the bile tubes are almost 

 closed. These cells make up the greater part of the liver. 

 Among these tubes there run many fine blood tubes, in 

 such a manner that the cells seem to be arranged around 



