226 NORMAL HISTOLOGY AND ORGANOGRAPHY. 



the walls of the bile ducts and blood-vessels, and 

 doubtless some of this arterial blood finds its way 

 into the liver capillaries 

 where it blends with the 

 venous blood from the 

 portal vein. 



From the center of each 

 lobule toward its periph- 



Fig. 171. Schematic diagram ^ r c 



of hepatic cord in transverse sec- ery irregular strands of 



tion. At the left the bile capillary i; t-o^i'of^ a A 



is formed by four cells, at the right hver Cells radiate and 



two; the latter type occurs in freely anastomose with 

 the human adult (Bohm and 



Davidoff). each other, as well as in- 



terlace between the blood 



capillaries. These are called hepatic cords and con- 

 sist of double irregular rows of liver cells. The 

 cords constitute the 

 bile capillaries and 

 unite at the periph- 

 ery of the lobule 

 with the bile ducts 

 of the portal canal, 

 situated between the 

 lobules. The bile 

 capillaries, there- 

 fore, are very fine 

 tubes lying between 

 the liver cells that 



Constitute its walls. Fig. 172. From the human liver, 



AI-SI , i , showing the beginning of the bile ducts 



These tubes anasto- (chrom l si i ver ) s (B 6hm and Davidoff). 

 mose freely with 



each other and are the terminal endings of the bile 

 passages or its secreting portions. The liver, as a 



Bile capilla 



