DIGESTIVE ORGANS 



G9 



duct is joined by several other tubes which are traceable 

 into the liver and are called hepatic duds (Dh, Dh 1 ). 

 The tubes going to the gall-bladder are called cystic 



ffx- 



FIG. 18. Stomach and duodenum of "Edible Frog" (see p. 7) with liver 

 and pancreas, (x 2!.) DC, Del common bile-duct; Dc2 its opening into 

 the duodenum ; D. cy. cystic ducts ; Dh, Dh.i hepatic ducts ; Du. duodenum ; 

 G. gall-bladder ; L, L>, L-, L, lobes of liver, turned forwards ; Lhp. duodeno- 

 hepatic omentum, a sheet of peritoneum connecting the liver with the 

 duodenum; A/, stomach; P. pancreas; pi, pancreatc duct; Py. pylcrus. 

 (From Wiedersheim's Comparative Anatomy.) 



ducts (D.cy) ; by their union with the hepatic ducts the 

 common bile-duct is formed. 



The bile is manufactured in the liver, and the gall- 

 bladder is merely a reservoir in which it is stored up, 



