Apomorphine and haloperidol, but not domperidone, affect penile reflexes in rats.

  title={Apomorphine and haloperidol, but not domperidone, affect penile reflexes in rats.},
  author={Elizabeth A. Pehek and James T. Thompson and Robert C. Eaton and T J Bazzett and Elaine M. Hull},
  journal={Pharmacology, biochemistry, and behavior},
  volume={31 1},
Previous studies have shown that systemic administration of the dopamine agonist apomorphine produced a biphasic effect on erection in the freely moving rat, with lower doses facilitating, and high doses inhibiting, erection. However, those studies did not distinguish between erection per se and seminal emission. The present results demonstrate that apomorphine produces a similar biphasic effect on penile reflexes in the restrained, supine rat, while facilitating seminal emission in a… CONTINUE READING
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