Ovariectomy at different stages of the estrous cycle modifies the pulsatile secretory pattern of prolactin in rat.


The role of estrogens in the synchronization of pulsatile prolactin secretion throughout the estrous cycle in the adult female rat is studied. Mean values of prolactin, in sham-operated animals increased from diestrus-2 to proestrus and then decreased to the values found at diestrus-1. Ovariectomy did not modify the pattern which follows mean serum levels… (More)


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