daily administration of l-thyroxine ( 20 microgram/100 g body wt ) to hypothyroid animals between 22 and 25 days of age produced an additional increase in ( 14c ) leucine incorporation into protein by cerebral microsomes , whereas the cell-free protein synthesis rate of euthyroid rats was unaffected by similar hormonal treatment .
C0040165
thyroxine
C0020676
hypothyroid