Prolonged interval to ovulation in rats after preoptic stimulation on the morning of proestrus.
D000818:Animals; D004558:Electric Stimulation; D004971:Estrus; D005260:Female; D007016:Hypophysectomy; D007031:Hypothalamus / Q000502:physiology*; D010060:Ovulation; D010902:Pituitary Gland / Q000502:physiology*; D011247:Pregnancy; D051381:Rats; D013238:Stereotaxic Techniques; D013997:Time Factors