the effect of chronic treatment of male sprague-dawley rats with thyroxine ( 1 mg/kg , s.c. , every other day ) for 18 days on the brain and pituitary receptors for thyrotropin releasing hormone ( trh ) labeled with 3h- ( 3-mehis2 ) trh ( 3h-metrh ) was determined .
C0032002
pituitary
C0040162
trh