MCAT Question A Day - 1/24/14 - Answer!
Which gland(s) is (are) responsible for providing the newborn with milk?
A. Anterior pituitary
B. Posterior pituitary
C. Both A and B
D. Neither A nor B
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The correct answer is (C). The anterior pituitary secretes prolactin, which stimulates milk production and milk release into the ducts of the mammary glands. The posterior pituitary releases oxytocin (produced by the hypothalamus), which stimulates ejection of milk from the breast during nursing.
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