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[Melatonin and gonadoliberin (LH-RH) cells in rat hypothalamus]
Abstract:
Immature female rats were induced to ovulate by an injection of pregnant mare serum: melatonin, intraperitonealy injected, induce an increase of LH-RH immunoreactive neurons in the hypothalamus. These neurons are localized in septo preoptic, infundibular and premammillary areas.