the data show that ( i ) only the high affinity insulin receptor number increases in rat liver during the prenatal period , ( ii ) fetuses of diabetic rats show a greater increase in high affinity receptors than do fetuses of normal animals , and ( iii ) the phenomenon of down regulation for high affinity insulin receptors is not observed in fetal rat liver , but is acquired in the immediate postnatal period .
C0015965
fetuses
C1517162
fetal