The effects of intrathecal administration of the dopamine agonist apomorphine on penile reflexes and copulation in the male rat
作者： Elizabeth A. Pehek , James T. Thompson , Elaine M. Hull
DOI: 10.1007/BF00445548
关键词:
摘要: Relatively high doses of systemically administered apomorphine inhibit penile reflexes. It is possible that these inhibitory effects are due, at least in part, to actions on the lumbosacral spinal cord. The present experiments examined this possibility by injecting (10 and 50 micrograms/5.0 microliters vehicle) into subarachnoid space through chronic, indwelling cannulae. Such injections impaired ex copula reflexes, slowed rate copulation, decreased number intromissions preceding ejaculation. These results suggest cord dopamine receptors may normally regulate male sexual performance.
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