r 

 t 



i ^ 



#f 





',* 



'vf % 



» 



.-« 



» 



* , 







■• f ' 



^ .T 



;• ^' i M 



4^» 



Fig. 16. The same preparation as in Fig. 15. Bordering zone of the spongy area, 

 with tissvic cells showing only miner changes. H. and E. 



^ 



i'' '. ' '' . 



•' ■'' '-.'•. -a'^',"' 







r 



Fig. 

 spheres 

 method 



17. Sytimicti K aii\- and raciially ariangetl spdiiniiu-ss v.\ tissue in lioth hemi- 

 following local x-irradiation of 45,000 r after 6 hours. W. and E. 

 . In this zone, the cells appear less stained. 



224 



