the effect of thyroid hormones on tsh synthesis and release from the anterior pituitary of the rat , at the various stages of hypothyroidism was studied by injecting l-triiodothyronine ( t3 ) iv ( 1.5 microgram/100 g b.w . ) to rats 5 days and 3 months post thyroidectomy ( tx-5d and tx-3m rats ) .
C0020676
hypothyroidism
C0041014
triiodothyronine