324 DIGESTION. 



subsequently distributed like the others around the lobules 

 and become wter-lobular. The larger trunks of the portal 

 vein being more separated from the lobules by a thicker 

 sheath of Glisson's capsule, give off vaginal branches 

 alone, which, however, after breaking up in the sheath, 

 are distributed like the others between the lobules, and 

 become *wfer-lobular veins. 



The small mtra-lobular veins discharge their contents into 

 veins called swJ-lobular (fig. 86), while these again, by their 

 ^7.85* 



* Fig. 85. Section of a portion of liver passing longitudinally 

 through a considerable hepatic vein, from the pig (after Kiernan) \ . H, 

 hepatic venous trunk, against which the sides of the lobules (1} are 

 applied; h,h,h, sublobular hepatic veins, on which the bases of the 

 lobules rest, and through the coats of which they are seen as polygonal 

 figures ; , mouth of the intralobular veins, opening into the sublobular 

 veins ; i', intralobular veins shown passing up the centre of some divided 

 lobules ; I, I, cut surface of the liver ; c, c, walls of the hepatic venous 

 canal, formed by the polygonal bases of the lobules. 



