in the developing rat , serum luteinizing hormone ( lh ) , testosterone , the wet tissue weights of the seminal vesicles and testes and hypothalamic lh-releasing hormone ( lhrh ) levels were substantially depressed immediately after pellet implantation and these effects persisted for up to 4 weeks when compared to placebo-implanted , age-matched controls .
C0020663
hypothalamic
C0023610
lhrh