208 



E. Hammarsten 



7.0 



o 



c 

 o 



I 6.0 



"o 

 >. 



cr 



-O T3 5.0 

 ti .— - 



B e 4.0 



« e 



"} -o 



z o 



c E 3.0 

 o c 



°- fc 2.0 

 E "• 



9 ° 



<2 



1.0 



Glycine 



UPC = Uridine PNA Cytoplasm 



12 24 36 48 60 72 84 96 108 120 132 144 156 168 



• Time in hours 



Fig. 4. 



and DNA per dry weight liver tissue appeared at the same 

 time, demonstrating the coincidence of high turnover rates 

 with an increase of polynucleotides per dry weight of tissue 

 (Fig. 5). 



Mq 



.2 



..Protein NUrpqen/O.!, 



Regeneration 



160 

 140 

 120 

 100 

 80 

 60 

 40 

 UO 



12 24 35 48 60 72 84 95 108 120 132 144 156 168 

 Time in hours after partial hepatectomy 



Fig. 5. Mg. per 100 mg. dry weight of liver. PNA and DNA as 

 phosphorus. Protein as nitrogen. Regeneration as increase in 

 per cent of the weight of the remaining lobe after partial 



hepatectomy. 



