Ploidy as a possible explanation for the variation in liver function during the life span of the rat.
D000367:Age Factors; D000818:Animals; D004171:Diploidy; D005260:Female; D006498:Hepatectomy; D007620:Karyometry; D008099:Liver / Q000502:physiology*; D008115:Liver Regeneration; D011123:Polyploidy; D051381:Rats; D011919:Rats, Inbred Strains; D013997:Time Factors