Abstract
Summary
The effects of epinephrine or acetylcholine bromide on the hypothalamic content of prolactin inhibiting factor (PIF) were determined in female rats. The drugs were injected twice daily for 5 days, while control rats were given the injection vehicle only. Each drug caused a significant decrease in hypothalamic PIF content, suggesting that this is the mechanism by which they induce enhanced release of prolactin from the anterior pituitary.
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