FETAL X-RAY EFFECTS: CEREBRAL CORTEX 



35 



1.2 



en 



< 



z 



<0.4 

 cr 



CD 



0.2 



1= CONTROL 

 A = lOOr 

 a '- 200r 

 o = 300r 



10 

 AGE (DAYS) 



20 



Fig. 6. Comparison of total brain weight in irradiated and control animals in first 

 20 postnatal days. 



TABLE II 



Maximum ^-Inch Gaps Successfully Negotiated 

 BY All Groups 



