The effect of steroids on the size heterogeneity of pituitary prolactin in castrate male rats.


Male Sprague-Dawley rats were castrated and given daily sc. injections of estradiol (E2, 10 micrograms/day), testosterone propionate (TP, 1.0 mg/day), dihydrotestosterone (DHT, 1.0 mg/day) or sesame oil (SO, 0.2 ml/day). A group of sham castrate males received daily sc. injections of SO (0.2 ml/day). On day 8 of steroid treatment animals were decapitated… (More)


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