The Inner (Alimentary) Tube and Its Respiratory Derivatives 33 



a 



b c d e 



Fig. 27. Liver of a pig. The lobules have artificially shrunken from the inter- 

 lobular tissue, (a), (b) Bile-duct; (c) hepatic artery; (d) interlobular vein (a branch 

 of the portal); (e) trabeculae; (f) central vein. (Highly magnified.) (After Radasch. 

 Courtesy, Bremer-Weatherford : "A Text-Book of Histology," Philadelphia, The 

 Blakiston Company.) 



Fig. 28. Section of the liver of a salamander (Neclurus). (a) Endothelial cell; 

 (bj endothelial reticulum; (c) blood- vessel ; (d) bile-capillary between liver cells; 

 (e) red blood-cell; (f) nucleus of hepatic cell. (X 380.) (Courtesy, Bremer-Weather- 

 ford: "A Text-Book of Histology," Philadelphia, The Blakiston Company.) 



