Question

How is milk secreted from the mammary gland of a mother during suckling by her child?

Answer 1

Milk ejection:

1. When baby sucks the nipple, it stimulates the nerves that gives message to the pituitary gland to release prolactin and oxytocin.
2. Prolactin causes the mammary gland to produce milk.
3. Oxytocin causes muscle contractions that causes the milk to eject.
4. Hence, suckling produces nerves impulses that stimulate pituitary gland to produce prolactin and oxytocin involved in milk ejection.