Which hormone causes the mammary lobules in the breast to contract, causing milk to flow? Which organ releases the hormone?
A) prolactin; hypothalamus
B) prolactin; anterior pituitary
C) oxytocin; hypothalamus
D) oxytocin; anterior pituitary
E) estrogen; ovaries

Question

Quizplus · Accepted Answer

Oxytocin, produced in the hypothalamus and released into the bloodstream by the posterior pituitary, is the hormone responsible for causing the mammary lobules in the breast to contract, facilitating milk flow.

Which Hormone Causes the Mammary Lobules in the Breast to Contract