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  • Title: Prostaglandin E2 accelerates sexual behavior in male rats.
    Author: Blumberg MS.
    Journal: Physiol Behav; 1991 Jul; 50(1):95-9. PubMed ID: 1946738.
    Abstract:
    Sexual behavior in male rats is accompanied by an increase in body temperature of 18 degrees C. It has been suggested that this increase may be, at least in part, a febrile response mediated by the endogenous central release of prostaglandins of the E series (PGE). This putative release of PGE could also affect the expression of sexual behavior, a possibility that was tested in the present experiment. PGE2 was infused into the cerebral aqueduct and sexual behavior and hypothalamic temperature were monitored. PGE2 infusion raised hypothalamic temperature and decreased the postejaculatory interval and ejaculation latency. The exact cause of this acceleration of sexual behavior cannot as yet be determined.
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