Fig. 11. Many of the fatty cysts illustrated in this field are undergoing involu- 

 tionary changes, since they are losing their contained lipid. The surrounding stroma 

 is condensed around the atrophic cysts. {Black material is ceroid pigment.) Liver of a 

 rat fed a choline-deficient diet for 6 months. Parafhn section; Ziehl-Neilson stain; 

 X400. 



Fig. 12. A1 iiiplm < \ -i - m an area of reticular condensation in the liver of a human 

 alcoholic (malej. A tew ot the cells in the walls of the cysts (center left) retain suffi- 

 cient characteristics so that they can still be identified as parenchymal. Compare 

 with Fig. 11. Paraffin section; hematox3din and eosin stain. X400. 



112 



