

^,:, 



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Fig. 9. Cerebral cortex, 172 hr after exposure to 7,50U r. Fully developed necrosis 

 with total dissociation of most tissue components, though cell membranes are still 

 recognizable. Macrophages (M) and erythrocytes (Er) arc seen free in the necrotic 

 tissue. X 4,000. 



Fig. 10. C^iirljial cuitr.x, 172 hr after exposure to 7,500 r. Nancus tytoplasmic 

 inclusions in a macrophage (M). EF, erythrocyte fragments; MyF, myelin figures; 

 Fe, hematogenic pigment, probably iron-containing; CM, cell membranes of dissociated 

 components of the neurophil; Mi, mitochondria. X 10,800. 



269 



