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Midbrain central gray: LHRH infusion enhances lordotic behavior in estrogen-primed ovariectomized rats
Brain Research Bulletin
|March 1, 1979
Abstract:
Ovariectomized rats were implanted with 23 gauge stainless steel cannulae in the ventrolateral midbrain central gray. Twelve sexually active rats were estrone-primed and infused with saline and 50 ng luteinizing hormone-releasing hormone (LHRH) in counterbalanced order. Infusion of luteinizing hormone-releasing hormone significantly enhanced the lordotic response to coital stimulation compared to saline infusion. These results support the role of hypothalamo-mesencephalic LHRH-containing pathways in modulating lordotic behavior in estrogen-primed ovariectomized rats.