it was shown on hemithyroidectomized male rats ( 2 -- 2.5 , 8 -- 10 and 14 -- 16 -- month-old ) that with the advance of age there occurred an increase in the inhibitory effect of the same ( as per 100 g of body weight ) dose of the exogenous thyroxine on the thyroid compensatory hypertrophy .
C0040165
thyroxine
C0018021
thyroid