% 

 50H 



40- 



30- 



20- 



_ T3 



O «> 



••- O 



c a. 



o >c 



u <u 



Di 



EMBRYONAL IRON TURNOVER 



foetus mother 



% 

 100 



50- 



D I 



ilUii 



657 



Fig. 1. Percentage of ^^Fe 



injected into the mother 



present in the embryo. 



Fig. 2. Percentage of em- 

 bryonal resp. maternal 

 ^'Fe present in the Uver. 



35- 



30 



25 - 



20- 



15 - 



10 



E 



O) 



E 





d 



E 

 £ 





E 



Ol 



E 



P^ 



b^ 



o s 



X Ll. 



I 





E 



E '- 



I 



21 



E 

 £ 



^ 



i 



e 



£ 



I 





/.' 



E 



Ol 



E 



£ 

 en 

 E 





<^ 



'A 



y. 



Fig. 3. Percentage injected ^^Fe and total iron present in the maternal 



and foetal liver. 



42 Hevesv 



