luteinizing hormone concentration in the blood serum and luliberin content in the hypothalamic arcuate body and medial eminence were determined in castrated mature rats 1 , 3 , 6 , 12 , 24 hours afte single injections of testosterone and its 5 alpha-reduced metabolites ( dihydrotestosterone , 5 alpha-androstane-3 alpha , 17 beta-diol and 5 alpha-androstane-3 beta , 17 beta-diol ) at a dose of 2.5 x 10 ( -7 ) kg/kg body weight by radioimmunoassay .
C0023610
luliberin
C0020663
hypothalamic