240 



THE MICROSCOPIST. 



ing life, penetrates only the capillary loops which are free 

 from deposit. The addition of iodine, staining the amy- 

 loid matter red, gives an alternation of blue and red loops. 



FIG. 194. 



Amyloid infiltrated Malpighian vascular coil of the kidney. 1-300. After RINDFLEISCH. 



Amyloid infiltration impairs the nutrition of a part 

 both by the obstruction of the circulation and by its 

 direct influence. Hence atrophy and fatty metamorphosis 

 are often found associated with it. 



In lardaceous liver, or amyloid infiltration of the liver, 

 the minute branches of the hepatic artery are first affected, 

 then the region of the hepatic vein, and afterwards the 



FIG. 195. 



Amyloid liver. A. Interlobular artery with amyloid walls. G, G. Biliary ducts. 

 p,p. Portal vessels. V, V. Interlobular veins. The liver-cells in the central zones of 

 the acini are infiltrated with amyloid substance. 1-300. After EINDFLEISCH. 



